Shareholder Report, Holdings (Details)
|
Sep. 30, 2024 |
Delaware Ivy Asset Strategy Fund - Class R | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.72%
|
Delaware Ivy Asset Strategy Fund - Class R | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Asset Strategy Fund - Class R | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy Asset Strategy Fund - Class R | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Asset Strategy Fund - Class R | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.14%
|
Delaware Ivy Asset Strategy Fund - Class R | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.95%
|
Delaware Ivy Asset Strategy Fund - Class R | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Asset Strategy Fund - Class R | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.51%
|
Delaware Ivy Asset Strategy Fund - Class R | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.49%
|
Delaware Ivy Asset Strategy Fund - Class R | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.44%
|
Delaware Ivy Asset Strategy Fund - Class R | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.71%
|
Delaware Ivy Asset Strategy Fund - Class R | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.41%
|
Delaware Ivy Asset Strategy Fund - Class R | Bullion [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.68%
|
Delaware Ivy Asset Strategy Fund - Class R | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.36%
|
Delaware Ivy Asset Strategy Fund - Class R | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Asset Strategy Fund - Class R | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.57%
|
Delaware Ivy Asset Strategy Fund - Class R | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Asset Strategy Fund - Class R | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.09%
|
Delaware Ivy Asset Strategy Fund - Class R | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.75%
|
Delaware Ivy Asset Strategy Fund - Class R | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.45%
|
Delaware Ivy High Income Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.84%
|
Delaware Ivy High Income Fund - Class C | Media [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.74%
|
Delaware Ivy High Income Fund - Class C | Basic Industry [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.25%
|
Delaware Ivy High Income Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.09%
|
Delaware Ivy High Income Fund - Class C | Telecommunications [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.71%
|
Delaware Ivy High Income Fund - Class C | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.70%
|
Delaware Ivy High Income Fund - Class C | Leisure [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.62%
|
Delaware Ivy High Income Fund - Class C | Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.41%
|
Delaware Ivy High Income Fund - Class C | Technology & Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy High Income Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.42%
|
Delaware Ivy Smid Cap Core Fund - Class Y | East West Bancorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Chesapeake Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.47%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Boise Cascade [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.39%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Carlisle [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.35%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Casey's General Stores [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Liberty Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Webster Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Stifel Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Steven Madden [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Guidewire Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.19%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.90%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.50%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Technology [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.88%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Real Estate Investment Trusts [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.51%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Basic Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.25%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Business Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.16%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.27%
|
Delaware Ivy Smid Cap Core Fund - Class Y | Credit Cyclicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Ivy Balanced Fund - Class C | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.50%
|
Delaware Ivy Balanced Fund - Class C | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Balanced Fund - Class C | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.73%
|
Delaware Ivy Balanced Fund - Class C | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Balanced Fund - Class C | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Balanced Fund - Class C | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Balanced Fund - Class C | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.02%
|
Delaware Ivy Balanced Fund - Class C | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Balanced Fund - Class C | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Balanced Fund - Class C | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Balanced Fund - Class C | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
60.10%
|
Delaware Ivy Balanced Fund - Class C | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.87%
|
Delaware Ivy Balanced Fund - Class C | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.70%
|
Delaware Ivy Balanced Fund - Class C | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.29%
|
Delaware Ivy Balanced Fund - Class C | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.38%
|
Delaware Ivy Balanced Fund - Class C | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.82%
|
Delaware Ivy Balanced Fund - Class C | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Balanced Fund - Class C | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.21%
|
Delaware Ivy Balanced Fund - Class C | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.55%
|
Delaware Ivy Balanced Fund - Class C | Non-Agency Asset-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.13%
|
Delaware Ivy Balanced Fund - Class C | Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.91%
|
Delaware Ivy Smid Cap Core Fund - Class C | East West Bancorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Smid Cap Core Fund - Class C | Chesapeake Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.47%
|
Delaware Ivy Smid Cap Core Fund - Class C | Boise Cascade [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.39%
|
Delaware Ivy Smid Cap Core Fund - Class C | Carlisle [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.35%
|
Delaware Ivy Smid Cap Core Fund - Class C | Casey's General Stores [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class C | Liberty Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class C | Webster Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class C | Stifel Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class C | Steven Madden [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class C | Guidewire Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Smid Cap Core Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.19%
|
Delaware Ivy Smid Cap Core Fund - Class C | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.90%
|
Delaware Ivy Smid Cap Core Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.50%
|
Delaware Ivy Smid Cap Core Fund - Class C | Technology [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.88%
|
Delaware Ivy Smid Cap Core Fund - Class C | Real Estate Investment Trusts [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.51%
|
Delaware Ivy Smid Cap Core Fund - Class C | Basic Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.25%
|
Delaware Ivy Smid Cap Core Fund - Class C | Business Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.16%
|
Delaware Ivy Smid Cap Core Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.27%
|
Delaware Ivy Smid Cap Core Fund - Class C | Credit Cyclicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Ivy Small Cap Growth Fund - Class R | CyberArk Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.87%
|
Delaware Ivy Small Cap Growth Fund - Class R | Parsons [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.13%
|
Delaware Ivy Small Cap Growth Fund - Class R | Federal Signal [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.02%
|
Delaware Ivy Small Cap Growth Fund - Class R | ATI [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Small Cap Growth Fund - Class R | Clean Harbors [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class R | Varonis Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.41%
|
Delaware Ivy Small Cap Growth Fund - Class R | Verra Mobility [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Small Cap Growth Fund - Class R | Integer Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.23%
|
Delaware Ivy Small Cap Growth Fund - Class R | Red Rock Resorts Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Small Cap Growth Fund - Class R | Vericel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.08%
|
Delaware Ivy Small Cap Growth Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.61%
|
Delaware Ivy Small Cap Growth Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
24.45%
|
Delaware Ivy Small Cap Growth Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.86%
|
Delaware Ivy Small Cap Growth Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.74%
|
Delaware Ivy Small Cap Growth Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.93%
|
Delaware Ivy Small Cap Growth Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.78%
|
Delaware Ivy Small Cap Growth Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.75%
|
Delaware Ivy Small Cap Growth Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.76%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Tencent Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.42%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Samsung Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.52%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | ICICI Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.01%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Infosys [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.94%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | NetEase [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Tata Consultancy Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.70%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Hero MotoCorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Alibaba Group Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Bank Central Asia [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.47%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.07%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.33%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
28.51%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.54%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.67%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.57%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.10%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
32.46%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.48%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.73%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | INDONESIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | SOUTH AFRICA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | TÜRKIYE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.63%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | MEXICO |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R | SAUDI ARABIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.15%
|
Delaware Climate Solutions Fund - Class Y | First Solar [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class Y | Cummins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.22%
|
Delaware Climate Solutions Fund - Class Y | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.15%
|
Delaware Climate Solutions Fund - Class Y | Kingspan Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.11%
|
Delaware Climate Solutions Fund - Class Y | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class Y | Schneider Electric [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class Y | Waste Management [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.99%
|
Delaware Climate Solutions Fund - Class Y | Weyerhaeuser [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Climate Solutions Fund - Class Y | Ameren [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class Y | CMS Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.45%
|
Delaware Climate Solutions Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.54%
|
Delaware Climate Solutions Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
17.89%
|
Delaware Climate Solutions Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.04%
|
Delaware Climate Solutions Fund - Class Y | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
35.48%
|
Delaware Climate Solutions Fund - Class Y | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | L3Harris Technologies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.91%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Extra Space Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Tractor Supply [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | First American Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.88%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Levi Strauss & Co. Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Broadridge Financial Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Arthur J Gallagher & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Rollins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Stanley Black & Decker [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | TE Connectivity [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.65%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.68%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.43%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
31.27%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.05%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.62%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class C | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.49%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | L3Harris Technologies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.91%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Extra Space Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Tractor Supply [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | First American Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.88%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Levi Strauss & Co. Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Broadridge Financial Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Arthur J Gallagher & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Rollins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Stanley Black & Decker [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | TE Connectivity [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.65%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.68%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.43%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
31.27%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.05%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.62%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class Y | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.49%
|
Delaware Ivy Core Equity Fund - Class A | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.37%
|
Delaware Ivy Core Equity Fund - Class A | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Ivy Core Equity Fund - Class A | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Core Equity Fund - Class A | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.48%
|
Delaware Ivy Core Equity Fund - Class A | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.70%
|
Delaware Ivy Core Equity Fund - Class A | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Core Equity Fund - Class A | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.21%
|
Delaware Ivy Core Equity Fund - Class A | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Core Equity Fund - Class A | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Core Equity Fund - Class A | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Core Equity Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy Core Equity Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.40%
|
Delaware Ivy Core Equity Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.86%
|
Delaware Ivy Core Equity Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.21%
|
Delaware Ivy Core Equity Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
29.47%
|
Delaware Ivy Core Equity Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.49%
|
Delaware Ivy Core Equity Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Core Equity Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.92%
|
Delaware Ivy Core Equity Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.50%
|
Delaware Ivy Core Equity Fund - Class A | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.23%
|
Delaware Ivy High Income Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.84%
|
Delaware Ivy High Income Fund - Class I | Media [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.74%
|
Delaware Ivy High Income Fund - Class I | Basic Industry [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.25%
|
Delaware Ivy High Income Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.09%
|
Delaware Ivy High Income Fund - Class I | Telecommunications [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.71%
|
Delaware Ivy High Income Fund - Class I | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.70%
|
Delaware Ivy High Income Fund - Class I | Leisure [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.62%
|
Delaware Ivy High Income Fund - Class I | Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.41%
|
Delaware Ivy High Income Fund - Class I | Technology & Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy High Income Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.42%
|
Delaware Climate Solutions Fund - Class C | First Solar [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class C | Cummins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.22%
|
Delaware Climate Solutions Fund - Class C | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.15%
|
Delaware Climate Solutions Fund - Class C | Kingspan Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.11%
|
Delaware Climate Solutions Fund - Class C | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class C | Schneider Electric [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class C | Waste Management [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.99%
|
Delaware Climate Solutions Fund - Class C | Weyerhaeuser [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Climate Solutions Fund - Class C | Ameren [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class C | CMS Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.45%
|
Delaware Climate Solutions Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.54%
|
Delaware Climate Solutions Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
17.89%
|
Delaware Climate Solutions Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.04%
|
Delaware Climate Solutions Fund - Class C | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
35.48%
|
Delaware Climate Solutions Fund - Class C | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Ivy Core Equity Fund - Class R6 | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.37%
|
Delaware Ivy Core Equity Fund - Class R6 | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Ivy Core Equity Fund - Class R6 | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Core Equity Fund - Class R6 | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.48%
|
Delaware Ivy Core Equity Fund - Class R6 | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.70%
|
Delaware Ivy Core Equity Fund - Class R6 | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Core Equity Fund - Class R6 | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.21%
|
Delaware Ivy Core Equity Fund - Class R6 | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Core Equity Fund - Class R6 | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Core Equity Fund - Class R6 | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Core Equity Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy Core Equity Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.40%
|
Delaware Ivy Core Equity Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.86%
|
Delaware Ivy Core Equity Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.21%
|
Delaware Ivy Core Equity Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
29.47%
|
Delaware Ivy Core Equity Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.49%
|
Delaware Ivy Core Equity Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Core Equity Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.92%
|
Delaware Ivy Core Equity Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.50%
|
Delaware Ivy Core Equity Fund - Class R6 | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.23%
|
Delaware Ivy International Core Equity Fund - Class R6 | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class R6 | MercadoLibre [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.37%
|
Delaware Ivy International Core Equity Fund - Class R6 | SAP [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy International Core Equity Fund - Class R6 | Airbus [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.67%
|
Delaware Ivy International Core Equity Fund - Class R6 | KB Financial Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.57%
|
Delaware Ivy International Core Equity Fund - Class R6 | Thales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy International Core Equity Fund - Class R6 | Sea ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy International Core Equity Fund - Class R6 | Banco Bilbao Vizcaya Argentaria [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.40%
|
Delaware Ivy International Core Equity Fund - Class R6 | HDFC Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class R6 | Deutsche Telekom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy International Core Equity Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy International Core Equity Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.13%
|
Delaware Ivy International Core Equity Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.85%
|
Delaware Ivy International Core Equity Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.30%
|
Delaware Ivy International Core Equity Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy International Core Equity Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.98%
|
Delaware Ivy International Core Equity Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.03%
|
Delaware Ivy International Core Equity Fund - Class R6 | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy International Core Equity Fund - Class R6 | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.99%
|
Delaware Ivy International Core Equity Fund - Class R6 | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.86%
|
Delaware Ivy International Core Equity Fund - Class R6 | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class R6 | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.43%
|
Delaware Ivy International Core Equity Fund - Class R6 | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.41%
|
Delaware Ivy International Core Equity Fund - Class R6 | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.31%
|
Delaware Ivy International Core Equity Fund - Class R6 | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.92%
|
Delaware Ivy International Core Equity Fund - Class R6 | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.12%
|
Delaware Ivy International Core Equity Fund - Class R6 | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.85%
|
Delaware Ivy International Core Equity Fund - Class R6 | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.82%
|
Delaware Ivy Global Bond Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.10%
|
Delaware Ivy Global Bond Fund - Class I | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.09%
|
Delaware Ivy Global Bond Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.15%
|
Delaware Ivy Global Bond Fund - Class I | Banking Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.09%
|
Delaware Ivy Global Bond Fund - Class I | Electric Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Global Bond Fund - Class I | Consumer Non-Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Global Bond Fund - Class I | Finance Companies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy Global Bond Fund - Class I | Insurance Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.84%
|
Delaware Ivy Global Bond Fund - Class I | Consumer Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.71%
|
Delaware Ivy Global Bond Fund - Class I | Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Global Bond Fund - Class I | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.55%
|
Delaware Ivy Global Bond Fund - Class I | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Global Bond Fund - Class I | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.45%
|
Delaware Ivy Global Bond Fund - Class I | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.30%
|
Delaware Ivy Global Bond Fund - Class I | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Global Bond Fund - Class I | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
40.21%
|
Delaware Ivy Global Bond Fund - Class I | AUSTRALIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.78%
|
Delaware Ivy Global Bond Fund - Class I | SPAIN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy Global Bond Fund - Class I | IRELAND |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Global Bond Fund - Class I | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Science and Technology Fund - Class C | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.36%
|
Delaware Ivy Science and Technology Fund - Class C | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.03%
|
Delaware Ivy Science and Technology Fund - Class C | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Science and Technology Fund - Class C | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Science and Technology Fund - Class C | Meta Platforms Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.87%
|
Delaware Ivy Science and Technology Fund - Class C | Seagate Technology Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.98%
|
Delaware Ivy Science and Technology Fund - Class C | Broadcom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy Science and Technology Fund - Class C | Zebra Technologies Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.81%
|
Delaware Ivy Science and Technology Fund - Class C | SAP ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.66%
|
Delaware Ivy Science and Technology Fund - Class C | ASML Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Science and Technology Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.52%
|
Delaware Ivy Science and Technology Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.27%
|
Delaware Ivy Science and Technology Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.99%
|
Delaware Ivy Science and Technology Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Science and Technology Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.39%
|
Delaware Ivy Global Growth Fund - Class A | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.50%
|
Delaware Ivy Global Growth Fund - Class A | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.03%
|
Delaware Ivy Global Growth Fund - Class A | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Global Growth Fund - Class A | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.28%
|
Delaware Ivy Global Growth Fund - Class A | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.17%
|
Delaware Ivy Global Growth Fund - Class A | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class A | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.30%
|
Delaware Ivy Global Growth Fund - Class A | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Global Growth Fund - Class A | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Global Growth Fund - Class A | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Global Growth Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Global Growth Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.73%
|
Delaware Ivy Global Growth Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.03%
|
Delaware Ivy Global Growth Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.65%
|
Delaware Ivy Global Growth Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.20%
|
Delaware Ivy Global Growth Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.58%
|
Delaware Ivy Global Growth Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.61%
|
Delaware Ivy Global Growth Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.24%
|
Delaware Ivy Global Growth Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.09%
|
Delaware Ivy Global Growth Fund - Class A | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.63%
|
Delaware Ivy Global Growth Fund - Class A | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Global Growth Fund - Class A | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class A | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.24%
|
Delaware Ivy Global Growth Fund - Class A | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.39%
|
Delaware Ivy Global Growth Fund - Class A | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.77%
|
Delaware Ivy Global Growth Fund - Class A | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.23%
|
Delaware Ivy Global Growth Fund - Class A | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.27%
|
Delaware Ivy Global Growth Fund - Class A | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
64.11%
|
Delaware Ivy Global Growth Fund - Class A | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.64%
|
Delaware Ivy Global Growth Fund - Class A | SINGAPORE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Natural Resources Fund - Class R | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class R | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.18%
|
Delaware Ivy Natural Resources Fund - Class R | Newmont [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.66%
|
Delaware Ivy Natural Resources Fund - Class R | Shell [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.73%
|
Delaware Ivy Natural Resources Fund - Class R | CF Industries Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.55%
|
Delaware Ivy Natural Resources Fund - Class R | CRH [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class R | Schlumberger [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class R | Wheaton Precious Metals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.90%
|
Delaware Ivy Natural Resources Fund - Class R | Hudbay Minerals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Natural Resources Fund - Class R | Endeavour Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.52%
|
Delaware Ivy Natural Resources Fund - Class R | Oil & Gas Exploration & Production [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.51%
|
Delaware Ivy Natural Resources Fund - Class R | Golds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.08%
|
Delaware Ivy Natural Resources Fund - Class R | Diversified Metals & Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.72%
|
Delaware Ivy Natural Resources Fund - Class R | Fertilizers & Agricultural Chemicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Natural Resources Fund - Class R | Integrated Oil & Gas [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.45%
|
Delaware Ivy Natural Resources Fund - Class R | Construction Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class R | Oil & Gas Equipment & Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class R | Forest Products [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.94%
|
Delaware Ivy Natural Resources Fund - Class R | Aluminum [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class R | Copper [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Real Estate Securities Fund - Class R | Equinix [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.07%
|
Delaware Real Estate Securities Fund - Class R | Welltower [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.94%
|
Delaware Real Estate Securities Fund - Class R | Public Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class R | Agree Realty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.84%
|
Delaware Real Estate Securities Fund - Class R | AvalonBay Communities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Real Estate Securities Fund - Class R | VICI Properties [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.61%
|
Delaware Real Estate Securities Fund - Class R | Prologis [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.25%
|
Delaware Real Estate Securities Fund - Class R | Invitation Homes [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.04%
|
Delaware Real Estate Securities Fund - Class R | Alexandria Real Estate Equities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Real Estate Securities Fund - Class R | Digital Realty Trust [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.69%
|
Delaware Real Estate Securities Fund - Class R | REIT Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.38%
|
Delaware Real Estate Securities Fund - Class R | REIT Data Center [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.76%
|
Delaware Real Estate Securities Fund - Class R | REIT Retail [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.38%
|
Delaware Real Estate Securities Fund - Class R | REIT Multifamily [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Real Estate Securities Fund - Class R | REIT Industrial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.89%
|
Delaware Real Estate Securities Fund - Class R | REIT Single Family [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.53%
|
Delaware Real Estate Securities Fund - Class R | REIT Self-Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class R | REIT Specialty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.60%
|
Delaware Real Estate Securities Fund - Class R | REIT Diversified [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.20%
|
Delaware Real Estate Securities Fund - Class R | REIT Hotel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy Science and Technology Fund - Class Y | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.36%
|
Delaware Ivy Science and Technology Fund - Class Y | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.03%
|
Delaware Ivy Science and Technology Fund - Class Y | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Science and Technology Fund - Class Y | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Science and Technology Fund - Class Y | Meta Platforms Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.87%
|
Delaware Ivy Science and Technology Fund - Class Y | Seagate Technology Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.98%
|
Delaware Ivy Science and Technology Fund - Class Y | Broadcom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy Science and Technology Fund - Class Y | Zebra Technologies Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.81%
|
Delaware Ivy Science and Technology Fund - Class Y | SAP ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.66%
|
Delaware Ivy Science and Technology Fund - Class Y | ASML Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Science and Technology Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.52%
|
Delaware Ivy Science and Technology Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.27%
|
Delaware Ivy Science and Technology Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.99%
|
Delaware Ivy Science and Technology Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Science and Technology Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.39%
|
Delaware Ivy Large Cap Growth Fund - Class I | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.04%
|
Delaware Ivy Large Cap Growth Fund - Class I | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.98%
|
Delaware Ivy Large Cap Growth Fund - Class I | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.71%
|
Delaware Ivy Large Cap Growth Fund - Class I | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.59%
|
Delaware Ivy Large Cap Growth Fund - Class I | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.04%
|
Delaware Ivy Large Cap Growth Fund - Class I | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.16%
|
Delaware Ivy Large Cap Growth Fund - Class I | Visa Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.24%
|
Delaware Ivy Large Cap Growth Fund - Class I | Intercontinental Exchange [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.15%
|
Delaware Ivy Large Cap Growth Fund - Class I | Motorola Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.99%
|
Delaware Ivy Large Cap Growth Fund - Class I | Danaher [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.80%
|
Delaware Ivy Large Cap Growth Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.52%
|
Delaware Ivy Large Cap Growth Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.35%
|
Delaware Ivy Large Cap Growth Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Ivy Large Cap Growth Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
43.12%
|
Delaware Ivy Large Cap Growth Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.15%
|
Delaware Ivy Large Cap Growth Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.49%
|
Delaware Ivy Large Cap Growth Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.46%
|
Delaware Ivy Large Cap Growth Fund - Class I | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Balanced Fund - Class Y | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.50%
|
Delaware Ivy Balanced Fund - Class Y | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Balanced Fund - Class Y | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.73%
|
Delaware Ivy Balanced Fund - Class Y | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Balanced Fund - Class Y | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Balanced Fund - Class Y | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Balanced Fund - Class Y | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.02%
|
Delaware Ivy Balanced Fund - Class Y | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Balanced Fund - Class Y | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Balanced Fund - Class Y | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Balanced Fund - Class Y | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
60.10%
|
Delaware Ivy Balanced Fund - Class Y | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.87%
|
Delaware Ivy Balanced Fund - Class Y | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.70%
|
Delaware Ivy Balanced Fund - Class Y | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.29%
|
Delaware Ivy Balanced Fund - Class Y | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.38%
|
Delaware Ivy Balanced Fund - Class Y | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.82%
|
Delaware Ivy Balanced Fund - Class Y | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Balanced Fund - Class Y | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.21%
|
Delaware Ivy Balanced Fund - Class Y | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.55%
|
Delaware Ivy Balanced Fund - Class Y | Non-Agency Asset-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.13%
|
Delaware Ivy Balanced Fund - Class Y | Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.91%
|
Delaware Ivy Mid Cap Growth Fund - Class A | CoStar Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Floor & Decor Holdings Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Trade Desk Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Mid Cap Growth Fund - Class A | MarketAxess Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Monolithic Power Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class A | IDEXX Laboratories [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.31%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Pinterest Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Pool [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.17%
|
Delaware Ivy Mid Cap Growth Fund - Class A | HEICO Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.10%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Veeva Systems Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.20%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.19%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.39%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.82%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.53%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.34%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Ivy Mid Cap Growth Fund - Class A | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Global Growth Fund - Class R6 | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.50%
|
Delaware Ivy Global Growth Fund - Class R6 | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.03%
|
Delaware Ivy Global Growth Fund - Class R6 | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Global Growth Fund - Class R6 | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.28%
|
Delaware Ivy Global Growth Fund - Class R6 | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.17%
|
Delaware Ivy Global Growth Fund - Class R6 | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class R6 | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.30%
|
Delaware Ivy Global Growth Fund - Class R6 | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Global Growth Fund - Class R6 | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Global Growth Fund - Class R6 | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Global Growth Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Global Growth Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.73%
|
Delaware Ivy Global Growth Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.03%
|
Delaware Ivy Global Growth Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.65%
|
Delaware Ivy Global Growth Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.20%
|
Delaware Ivy Global Growth Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.58%
|
Delaware Ivy Global Growth Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.61%
|
Delaware Ivy Global Growth Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.24%
|
Delaware Ivy Global Growth Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.09%
|
Delaware Ivy Global Growth Fund - Class R6 | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.63%
|
Delaware Ivy Global Growth Fund - Class R6 | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Global Growth Fund - Class R6 | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class R6 | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.24%
|
Delaware Ivy Global Growth Fund - Class R6 | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.39%
|
Delaware Ivy Global Growth Fund - Class R6 | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.77%
|
Delaware Ivy Global Growth Fund - Class R6 | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.23%
|
Delaware Ivy Global Growth Fund - Class R6 | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.27%
|
Delaware Ivy Global Growth Fund - Class R6 | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
64.11%
|
Delaware Ivy Global Growth Fund - Class R6 | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.64%
|
Delaware Ivy Global Growth Fund - Class R6 | SINGAPORE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | CoStar Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Floor & Decor Holdings Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Trade Desk Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | MarketAxess Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Monolithic Power Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | IDEXX Laboratories [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.31%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Pinterest Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Pool [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.17%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | HEICO Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.10%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Veeva Systems Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.20%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.19%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.39%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.82%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.53%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.34%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Ivy Mid Cap Growth Fund - Class R6 | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy International Core Equity Fund - Class A | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class A | MercadoLibre [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.37%
|
Delaware Ivy International Core Equity Fund - Class A | SAP [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy International Core Equity Fund - Class A | Airbus [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.67%
|
Delaware Ivy International Core Equity Fund - Class A | KB Financial Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.57%
|
Delaware Ivy International Core Equity Fund - Class A | Thales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy International Core Equity Fund - Class A | Sea ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy International Core Equity Fund - Class A | Banco Bilbao Vizcaya Argentaria [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.40%
|
Delaware Ivy International Core Equity Fund - Class A | HDFC Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class A | Deutsche Telekom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy International Core Equity Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy International Core Equity Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.13%
|
Delaware Ivy International Core Equity Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.85%
|
Delaware Ivy International Core Equity Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.30%
|
Delaware Ivy International Core Equity Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy International Core Equity Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.98%
|
Delaware Ivy International Core Equity Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.03%
|
Delaware Ivy International Core Equity Fund - Class A | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy International Core Equity Fund - Class A | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.99%
|
Delaware Ivy International Core Equity Fund - Class A | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.86%
|
Delaware Ivy International Core Equity Fund - Class A | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class A | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.43%
|
Delaware Ivy International Core Equity Fund - Class A | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.41%
|
Delaware Ivy International Core Equity Fund - Class A | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.31%
|
Delaware Ivy International Core Equity Fund - Class A | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.92%
|
Delaware Ivy International Core Equity Fund - Class A | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.12%
|
Delaware Ivy International Core Equity Fund - Class A | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.85%
|
Delaware Ivy International Core Equity Fund - Class A | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.82%
|
Delaware Climate Solutions Fund - Class I | First Solar [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class I | Cummins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.22%
|
Delaware Climate Solutions Fund - Class I | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.15%
|
Delaware Climate Solutions Fund - Class I | Kingspan Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.11%
|
Delaware Climate Solutions Fund - Class I | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class I | Schneider Electric [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class I | Waste Management [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.99%
|
Delaware Climate Solutions Fund - Class I | Weyerhaeuser [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Climate Solutions Fund - Class I | Ameren [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class I | CMS Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.45%
|
Delaware Climate Solutions Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.54%
|
Delaware Climate Solutions Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
17.89%
|
Delaware Climate Solutions Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.04%
|
Delaware Climate Solutions Fund - Class I | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
35.48%
|
Delaware Climate Solutions Fund - Class I | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Ivy Small Cap Growth Fund - Class A | CyberArk Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.87%
|
Delaware Ivy Small Cap Growth Fund - Class A | Parsons [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.13%
|
Delaware Ivy Small Cap Growth Fund - Class A | Federal Signal [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.02%
|
Delaware Ivy Small Cap Growth Fund - Class A | ATI [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Small Cap Growth Fund - Class A | Clean Harbors [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class A | Varonis Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.41%
|
Delaware Ivy Small Cap Growth Fund - Class A | Verra Mobility [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Small Cap Growth Fund - Class A | Integer Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.23%
|
Delaware Ivy Small Cap Growth Fund - Class A | Red Rock Resorts Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Small Cap Growth Fund - Class A | Vericel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.08%
|
Delaware Ivy Small Cap Growth Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.61%
|
Delaware Ivy Small Cap Growth Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
24.45%
|
Delaware Ivy Small Cap Growth Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.86%
|
Delaware Ivy Small Cap Growth Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.74%
|
Delaware Ivy Small Cap Growth Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.93%
|
Delaware Ivy Small Cap Growth Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.78%
|
Delaware Ivy Small Cap Growth Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.75%
|
Delaware Ivy Small Cap Growth Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.76%
|
Delaware Ivy Smid Cap Core Fund - Class I | East West Bancorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Smid Cap Core Fund - Class I | Chesapeake Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.47%
|
Delaware Ivy Smid Cap Core Fund - Class I | Boise Cascade [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.39%
|
Delaware Ivy Smid Cap Core Fund - Class I | Carlisle [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.35%
|
Delaware Ivy Smid Cap Core Fund - Class I | Casey's General Stores [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class I | Liberty Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class I | Webster Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class I | Stifel Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class I | Steven Madden [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class I | Guidewire Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Smid Cap Core Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.19%
|
Delaware Ivy Smid Cap Core Fund - Class I | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.90%
|
Delaware Ivy Smid Cap Core Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.50%
|
Delaware Ivy Smid Cap Core Fund - Class I | Technology [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.88%
|
Delaware Ivy Smid Cap Core Fund - Class I | Real Estate Investment Trusts [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.51%
|
Delaware Ivy Smid Cap Core Fund - Class I | Basic Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.25%
|
Delaware Ivy Smid Cap Core Fund - Class I | Business Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.16%
|
Delaware Ivy Smid Cap Core Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.27%
|
Delaware Ivy Smid Cap Core Fund - Class I | Credit Cyclicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Tencent Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.42%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Samsung Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.52%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | ICICI Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.01%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Infosys [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.94%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | NetEase [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Tata Consultancy Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.70%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Hero MotoCorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Alibaba Group Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Bank Central Asia [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.47%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.07%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.33%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
28.51%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.54%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.67%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.57%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.10%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
32.46%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.48%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.73%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | INDONESIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | SOUTH AFRICA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | TÜRKIYE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.63%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | MEXICO |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class R6 | SAUDI ARABIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.15%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.72%
|
Delaware Ivy Asset Strategy Fund - Class R6 | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.14%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.95%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.51%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.49%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.44%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.71%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.41%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Bullion [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.68%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.36%
|
Delaware Ivy Asset Strategy Fund - Class R6 | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.57%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.09%
|
Delaware Ivy Asset Strategy Fund - Class R6 | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.75%
|
Delaware Ivy Asset Strategy Fund - Class R6 | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.45%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Tencent Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.42%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Samsung Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.52%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | ICICI Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.01%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Infosys [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.94%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | NetEase [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Tata Consultancy Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.70%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Hero MotoCorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Alibaba Group Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Bank Central Asia [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.47%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.07%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.33%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
28.51%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.54%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.67%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.57%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.10%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
32.46%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.48%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.73%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | INDONESIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | SOUTH AFRICA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | TÜRKIYE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.63%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | MEXICO |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class A | SAUDI ARABIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.15%
|
Delaware Ivy Asset Strategy Fund - Class A | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.72%
|
Delaware Ivy Asset Strategy Fund - Class A | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Asset Strategy Fund - Class A | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy Asset Strategy Fund - Class A | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Asset Strategy Fund - Class A | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.14%
|
Delaware Ivy Asset Strategy Fund - Class A | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.95%
|
Delaware Ivy Asset Strategy Fund - Class A | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Asset Strategy Fund - Class A | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.51%
|
Delaware Ivy Asset Strategy Fund - Class A | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.49%
|
Delaware Ivy Asset Strategy Fund - Class A | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.44%
|
Delaware Ivy Asset Strategy Fund - Class A | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.71%
|
Delaware Ivy Asset Strategy Fund - Class A | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.41%
|
Delaware Ivy Asset Strategy Fund - Class A | Bullion [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.68%
|
Delaware Ivy Asset Strategy Fund - Class A | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.36%
|
Delaware Ivy Asset Strategy Fund - Class A | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Asset Strategy Fund - Class A | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.57%
|
Delaware Ivy Asset Strategy Fund - Class A | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Asset Strategy Fund - Class A | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.09%
|
Delaware Ivy Asset Strategy Fund - Class A | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.75%
|
Delaware Ivy Asset Strategy Fund - Class A | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.45%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | CyberArk Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.87%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Parsons [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.13%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Federal Signal [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.02%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | ATI [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Clean Harbors [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Varonis Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.41%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Verra Mobility [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Integer Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.23%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Red Rock Resorts Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Vericel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.08%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.61%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
24.45%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.86%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.74%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.93%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.78%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.75%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.76%
|
Delaware Ivy Core Equity Fund - Class C | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.37%
|
Delaware Ivy Core Equity Fund - Class C | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Ivy Core Equity Fund - Class C | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Core Equity Fund - Class C | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.48%
|
Delaware Ivy Core Equity Fund - Class C | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.70%
|
Delaware Ivy Core Equity Fund - Class C | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Core Equity Fund - Class C | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.21%
|
Delaware Ivy Core Equity Fund - Class C | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Core Equity Fund - Class C | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Core Equity Fund - Class C | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Core Equity Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy Core Equity Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.40%
|
Delaware Ivy Core Equity Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.86%
|
Delaware Ivy Core Equity Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.21%
|
Delaware Ivy Core Equity Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
29.47%
|
Delaware Ivy Core Equity Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.49%
|
Delaware Ivy Core Equity Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Core Equity Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.92%
|
Delaware Ivy Core Equity Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.50%
|
Delaware Ivy Core Equity Fund - Class C | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.23%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | L3Harris Technologies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.91%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Extra Space Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Tractor Supply [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | First American Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.88%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Levi Strauss & Co. Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Broadridge Financial Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Arthur J Gallagher & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Rollins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Stanley Black & Decker [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | TE Connectivity [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.65%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.68%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.43%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
31.27%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.05%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.62%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class I | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.49%
|
Delaware Ivy Global Growth Fund - Class Y | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.50%
|
Delaware Ivy Global Growth Fund - Class Y | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.03%
|
Delaware Ivy Global Growth Fund - Class Y | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Global Growth Fund - Class Y | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.28%
|
Delaware Ivy Global Growth Fund - Class Y | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.17%
|
Delaware Ivy Global Growth Fund - Class Y | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class Y | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.30%
|
Delaware Ivy Global Growth Fund - Class Y | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Global Growth Fund - Class Y | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Global Growth Fund - Class Y | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Global Growth Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Global Growth Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.73%
|
Delaware Ivy Global Growth Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.03%
|
Delaware Ivy Global Growth Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.65%
|
Delaware Ivy Global Growth Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.20%
|
Delaware Ivy Global Growth Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.58%
|
Delaware Ivy Global Growth Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.61%
|
Delaware Ivy Global Growth Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.24%
|
Delaware Ivy Global Growth Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.09%
|
Delaware Ivy Global Growth Fund - Class Y | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.63%
|
Delaware Ivy Global Growth Fund - Class Y | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Global Growth Fund - Class Y | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class Y | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.24%
|
Delaware Ivy Global Growth Fund - Class Y | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.39%
|
Delaware Ivy Global Growth Fund - Class Y | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.77%
|
Delaware Ivy Global Growth Fund - Class Y | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.23%
|
Delaware Ivy Global Growth Fund - Class Y | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.27%
|
Delaware Ivy Global Growth Fund - Class Y | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
64.11%
|
Delaware Ivy Global Growth Fund - Class Y | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.64%
|
Delaware Ivy Global Growth Fund - Class Y | SINGAPORE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Mid Cap Growth Fund - Class C | CoStar Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Floor & Decor Holdings Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Trade Desk Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Mid Cap Growth Fund - Class C | MarketAxess Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Monolithic Power Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class C | IDEXX Laboratories [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.31%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Pinterest Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Pool [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.17%
|
Delaware Ivy Mid Cap Growth Fund - Class C | HEICO Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.10%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Veeva Systems Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.20%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.19%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.39%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.82%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.53%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.34%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Ivy Mid Cap Growth Fund - Class C | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Balanced Fund - Class I | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.50%
|
Delaware Ivy Balanced Fund - Class I | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Balanced Fund - Class I | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.73%
|
Delaware Ivy Balanced Fund - Class I | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Balanced Fund - Class I | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Balanced Fund - Class I | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Balanced Fund - Class I | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.02%
|
Delaware Ivy Balanced Fund - Class I | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Balanced Fund - Class I | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Balanced Fund - Class I | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Balanced Fund - Class I | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
60.10%
|
Delaware Ivy Balanced Fund - Class I | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.87%
|
Delaware Ivy Balanced Fund - Class I | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.70%
|
Delaware Ivy Balanced Fund - Class I | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.29%
|
Delaware Ivy Balanced Fund - Class I | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.38%
|
Delaware Ivy Balanced Fund - Class I | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.82%
|
Delaware Ivy Balanced Fund - Class I | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Balanced Fund - Class I | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.21%
|
Delaware Ivy Balanced Fund - Class I | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.55%
|
Delaware Ivy Balanced Fund - Class I | Non-Agency Asset-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.13%
|
Delaware Ivy Balanced Fund - Class I | Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.91%
|
Delaware Ivy Natural Resources Fund - Class A | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class A | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.18%
|
Delaware Ivy Natural Resources Fund - Class A | Newmont [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.66%
|
Delaware Ivy Natural Resources Fund - Class A | Shell [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.73%
|
Delaware Ivy Natural Resources Fund - Class A | CF Industries Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.55%
|
Delaware Ivy Natural Resources Fund - Class A | CRH [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class A | Schlumberger [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class A | Wheaton Precious Metals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.90%
|
Delaware Ivy Natural Resources Fund - Class A | Hudbay Minerals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Natural Resources Fund - Class A | Endeavour Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.52%
|
Delaware Ivy Natural Resources Fund - Class A | Oil & Gas Exploration & Production [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.51%
|
Delaware Ivy Natural Resources Fund - Class A | Golds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.08%
|
Delaware Ivy Natural Resources Fund - Class A | Diversified Metals & Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.72%
|
Delaware Ivy Natural Resources Fund - Class A | Fertilizers & Agricultural Chemicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Natural Resources Fund - Class A | Integrated Oil & Gas [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.45%
|
Delaware Ivy Natural Resources Fund - Class A | Construction Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class A | Oil & Gas Equipment & Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class A | Forest Products [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.94%
|
Delaware Ivy Natural Resources Fund - Class A | Aluminum [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class A | Copper [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | CoStar Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Floor & Decor Holdings Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Trade Desk Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | MarketAxess Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Monolithic Power Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | IDEXX Laboratories [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.31%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Pinterest Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Pool [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.17%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | HEICO Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.10%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Veeva Systems Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.20%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.19%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.39%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.82%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.53%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.34%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Ivy Mid Cap Growth Fund - Class Y | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy High Income Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.84%
|
Delaware Ivy High Income Fund - Class R | Media [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.74%
|
Delaware Ivy High Income Fund - Class R | Basic Industry [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.25%
|
Delaware Ivy High Income Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.09%
|
Delaware Ivy High Income Fund - Class R | Telecommunications [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.71%
|
Delaware Ivy High Income Fund - Class R | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.70%
|
Delaware Ivy High Income Fund - Class R | Leisure [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.62%
|
Delaware Ivy High Income Fund - Class R | Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.41%
|
Delaware Ivy High Income Fund - Class R | Technology & Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy High Income Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.42%
|
Delaware Ivy Natural Resources Fund - Class R6 | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class R6 | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.18%
|
Delaware Ivy Natural Resources Fund - Class R6 | Newmont [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.66%
|
Delaware Ivy Natural Resources Fund - Class R6 | Shell [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.73%
|
Delaware Ivy Natural Resources Fund - Class R6 | CF Industries Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.55%
|
Delaware Ivy Natural Resources Fund - Class R6 | CRH [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class R6 | Schlumberger [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class R6 | Wheaton Precious Metals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.90%
|
Delaware Ivy Natural Resources Fund - Class R6 | Hudbay Minerals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Natural Resources Fund - Class R6 | Endeavour Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.52%
|
Delaware Ivy Natural Resources Fund - Class R6 | Oil & Gas Exploration & Production [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.51%
|
Delaware Ivy Natural Resources Fund - Class R6 | Golds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.08%
|
Delaware Ivy Natural Resources Fund - Class R6 | Diversified Metals & Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.72%
|
Delaware Ivy Natural Resources Fund - Class R6 | Fertilizers & Agricultural Chemicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Natural Resources Fund - Class R6 | Integrated Oil & Gas [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.45%
|
Delaware Ivy Natural Resources Fund - Class R6 | Construction Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class R6 | Oil & Gas Equipment & Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class R6 | Forest Products [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.94%
|
Delaware Ivy Natural Resources Fund - Class R6 | Aluminum [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class R6 | Copper [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Large Cap Growth Fund - Class R | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.04%
|
Delaware Ivy Large Cap Growth Fund - Class R | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.98%
|
Delaware Ivy Large Cap Growth Fund - Class R | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.71%
|
Delaware Ivy Large Cap Growth Fund - Class R | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.59%
|
Delaware Ivy Large Cap Growth Fund - Class R | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.04%
|
Delaware Ivy Large Cap Growth Fund - Class R | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.16%
|
Delaware Ivy Large Cap Growth Fund - Class R | Visa Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.24%
|
Delaware Ivy Large Cap Growth Fund - Class R | Intercontinental Exchange [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.15%
|
Delaware Ivy Large Cap Growth Fund - Class R | Motorola Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.99%
|
Delaware Ivy Large Cap Growth Fund - Class R | Danaher [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.80%
|
Delaware Ivy Large Cap Growth Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.52%
|
Delaware Ivy Large Cap Growth Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.35%
|
Delaware Ivy Large Cap Growth Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Ivy Large Cap Growth Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
43.12%
|
Delaware Ivy Large Cap Growth Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.15%
|
Delaware Ivy Large Cap Growth Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.49%
|
Delaware Ivy Large Cap Growth Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.46%
|
Delaware Ivy Large Cap Growth Fund - Class R | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Core Equity Fund - Class Y | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.37%
|
Delaware Ivy Core Equity Fund - Class Y | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Ivy Core Equity Fund - Class Y | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Core Equity Fund - Class Y | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.48%
|
Delaware Ivy Core Equity Fund - Class Y | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.70%
|
Delaware Ivy Core Equity Fund - Class Y | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Core Equity Fund - Class Y | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.21%
|
Delaware Ivy Core Equity Fund - Class Y | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Core Equity Fund - Class Y | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Core Equity Fund - Class Y | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Core Equity Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy Core Equity Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.40%
|
Delaware Ivy Core Equity Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.86%
|
Delaware Ivy Core Equity Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.21%
|
Delaware Ivy Core Equity Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
29.47%
|
Delaware Ivy Core Equity Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.49%
|
Delaware Ivy Core Equity Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Core Equity Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.92%
|
Delaware Ivy Core Equity Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.50%
|
Delaware Ivy Core Equity Fund - Class Y | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.23%
|
Delaware Ivy Global Growth Fund - Class C | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.50%
|
Delaware Ivy Global Growth Fund - Class C | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.03%
|
Delaware Ivy Global Growth Fund - Class C | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Global Growth Fund - Class C | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.28%
|
Delaware Ivy Global Growth Fund - Class C | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.17%
|
Delaware Ivy Global Growth Fund - Class C | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class C | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.30%
|
Delaware Ivy Global Growth Fund - Class C | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Global Growth Fund - Class C | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Global Growth Fund - Class C | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Global Growth Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Global Growth Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.73%
|
Delaware Ivy Global Growth Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.03%
|
Delaware Ivy Global Growth Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.65%
|
Delaware Ivy Global Growth Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.20%
|
Delaware Ivy Global Growth Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.58%
|
Delaware Ivy Global Growth Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.61%
|
Delaware Ivy Global Growth Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.24%
|
Delaware Ivy Global Growth Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.09%
|
Delaware Ivy Global Growth Fund - Class C | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.63%
|
Delaware Ivy Global Growth Fund - Class C | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Global Growth Fund - Class C | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class C | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.24%
|
Delaware Ivy Global Growth Fund - Class C | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.39%
|
Delaware Ivy Global Growth Fund - Class C | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.77%
|
Delaware Ivy Global Growth Fund - Class C | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.23%
|
Delaware Ivy Global Growth Fund - Class C | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.27%
|
Delaware Ivy Global Growth Fund - Class C | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
64.11%
|
Delaware Ivy Global Growth Fund - Class C | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.64%
|
Delaware Ivy Global Growth Fund - Class C | SINGAPORE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy International Core Equity Fund - Class C | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class C | MercadoLibre [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.37%
|
Delaware Ivy International Core Equity Fund - Class C | SAP [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy International Core Equity Fund - Class C | Airbus [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.67%
|
Delaware Ivy International Core Equity Fund - Class C | KB Financial Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.57%
|
Delaware Ivy International Core Equity Fund - Class C | Thales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy International Core Equity Fund - Class C | Sea ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy International Core Equity Fund - Class C | Banco Bilbao Vizcaya Argentaria [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.40%
|
Delaware Ivy International Core Equity Fund - Class C | HDFC Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class C | Deutsche Telekom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy International Core Equity Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy International Core Equity Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.13%
|
Delaware Ivy International Core Equity Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.85%
|
Delaware Ivy International Core Equity Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.30%
|
Delaware Ivy International Core Equity Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy International Core Equity Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.98%
|
Delaware Ivy International Core Equity Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.03%
|
Delaware Ivy International Core Equity Fund - Class C | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy International Core Equity Fund - Class C | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.99%
|
Delaware Ivy International Core Equity Fund - Class C | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.86%
|
Delaware Ivy International Core Equity Fund - Class C | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class C | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.43%
|
Delaware Ivy International Core Equity Fund - Class C | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.41%
|
Delaware Ivy International Core Equity Fund - Class C | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.31%
|
Delaware Ivy International Core Equity Fund - Class C | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.92%
|
Delaware Ivy International Core Equity Fund - Class C | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.12%
|
Delaware Ivy International Core Equity Fund - Class C | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.85%
|
Delaware Ivy International Core Equity Fund - Class C | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.82%
|
Delaware Real Estate Securities Fund - Class A | Equinix [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.07%
|
Delaware Real Estate Securities Fund - Class A | Welltower [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.94%
|
Delaware Real Estate Securities Fund - Class A | Public Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class A | Agree Realty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.84%
|
Delaware Real Estate Securities Fund - Class A | AvalonBay Communities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Real Estate Securities Fund - Class A | VICI Properties [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.61%
|
Delaware Real Estate Securities Fund - Class A | Prologis [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.25%
|
Delaware Real Estate Securities Fund - Class A | Invitation Homes [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.04%
|
Delaware Real Estate Securities Fund - Class A | Alexandria Real Estate Equities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Real Estate Securities Fund - Class A | Digital Realty Trust [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.69%
|
Delaware Real Estate Securities Fund - Class A | REIT Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.38%
|
Delaware Real Estate Securities Fund - Class A | REIT Data Center [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.76%
|
Delaware Real Estate Securities Fund - Class A | REIT Retail [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.38%
|
Delaware Real Estate Securities Fund - Class A | REIT Multifamily [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Real Estate Securities Fund - Class A | REIT Industrial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.89%
|
Delaware Real Estate Securities Fund - Class A | REIT Single Family [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.53%
|
Delaware Real Estate Securities Fund - Class A | REIT Self-Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class A | REIT Specialty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.60%
|
Delaware Real Estate Securities Fund - Class A | REIT Diversified [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.20%
|
Delaware Real Estate Securities Fund - Class A | REIT Hotel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy Science and Technology Fund - Class I | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.36%
|
Delaware Ivy Science and Technology Fund - Class I | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.03%
|
Delaware Ivy Science and Technology Fund - Class I | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Science and Technology Fund - Class I | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Science and Technology Fund - Class I | Meta Platforms Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.87%
|
Delaware Ivy Science and Technology Fund - Class I | Seagate Technology Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.98%
|
Delaware Ivy Science and Technology Fund - Class I | Broadcom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy Science and Technology Fund - Class I | Zebra Technologies Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.81%
|
Delaware Ivy Science and Technology Fund - Class I | SAP ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.66%
|
Delaware Ivy Science and Technology Fund - Class I | ASML Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Science and Technology Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.52%
|
Delaware Ivy Science and Technology Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.27%
|
Delaware Ivy Science and Technology Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.99%
|
Delaware Ivy Science and Technology Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Science and Technology Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.39%
|
Delaware Real Estate Securities Fund - Class R6 | Equinix [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.07%
|
Delaware Real Estate Securities Fund - Class R6 | Welltower [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.94%
|
Delaware Real Estate Securities Fund - Class R6 | Public Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class R6 | Agree Realty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.84%
|
Delaware Real Estate Securities Fund - Class R6 | AvalonBay Communities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Real Estate Securities Fund - Class R6 | VICI Properties [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.61%
|
Delaware Real Estate Securities Fund - Class R6 | Prologis [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.25%
|
Delaware Real Estate Securities Fund - Class R6 | Invitation Homes [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.04%
|
Delaware Real Estate Securities Fund - Class R6 | Alexandria Real Estate Equities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Real Estate Securities Fund - Class R6 | Digital Realty Trust [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.69%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.38%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Data Center [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.76%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Retail [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.38%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Multifamily [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Industrial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.89%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Single Family [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.53%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Self-Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Specialty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.60%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Diversified [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.20%
|
Delaware Real Estate Securities Fund - Class R6 | REIT Hotel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class Y | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class Y | MercadoLibre [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.37%
|
Delaware Ivy International Core Equity Fund - Class Y | SAP [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy International Core Equity Fund - Class Y | Airbus [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.67%
|
Delaware Ivy International Core Equity Fund - Class Y | KB Financial Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.57%
|
Delaware Ivy International Core Equity Fund - Class Y | Thales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy International Core Equity Fund - Class Y | Sea ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy International Core Equity Fund - Class Y | Banco Bilbao Vizcaya Argentaria [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.40%
|
Delaware Ivy International Core Equity Fund - Class Y | HDFC Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class Y | Deutsche Telekom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy International Core Equity Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy International Core Equity Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.13%
|
Delaware Ivy International Core Equity Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.85%
|
Delaware Ivy International Core Equity Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.30%
|
Delaware Ivy International Core Equity Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy International Core Equity Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.98%
|
Delaware Ivy International Core Equity Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.03%
|
Delaware Ivy International Core Equity Fund - Class Y | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy International Core Equity Fund - Class Y | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.99%
|
Delaware Ivy International Core Equity Fund - Class Y | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.86%
|
Delaware Ivy International Core Equity Fund - Class Y | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class Y | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.43%
|
Delaware Ivy International Core Equity Fund - Class Y | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.41%
|
Delaware Ivy International Core Equity Fund - Class Y | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.31%
|
Delaware Ivy International Core Equity Fund - Class Y | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.92%
|
Delaware Ivy International Core Equity Fund - Class Y | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.12%
|
Delaware Ivy International Core Equity Fund - Class Y | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.85%
|
Delaware Ivy International Core Equity Fund - Class Y | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.82%
|
Delaware Ivy Smid Cap Core Fund - Class R | East West Bancorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Smid Cap Core Fund - Class R | Chesapeake Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.47%
|
Delaware Ivy Smid Cap Core Fund - Class R | Boise Cascade [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.39%
|
Delaware Ivy Smid Cap Core Fund - Class R | Carlisle [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.35%
|
Delaware Ivy Smid Cap Core Fund - Class R | Casey's General Stores [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class R | Liberty Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class R | Webster Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class R | Stifel Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class R | Steven Madden [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class R | Guidewire Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Smid Cap Core Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.19%
|
Delaware Ivy Smid Cap Core Fund - Class R | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.90%
|
Delaware Ivy Smid Cap Core Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.50%
|
Delaware Ivy Smid Cap Core Fund - Class R | Technology [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.88%
|
Delaware Ivy Smid Cap Core Fund - Class R | Real Estate Investment Trusts [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.51%
|
Delaware Ivy Smid Cap Core Fund - Class R | Basic Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.25%
|
Delaware Ivy Smid Cap Core Fund - Class R | Business Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.16%
|
Delaware Ivy Smid Cap Core Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.27%
|
Delaware Ivy Smid Cap Core Fund - Class R | Credit Cyclicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Ivy Global Bond Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.10%
|
Delaware Ivy Global Bond Fund - Class R | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.09%
|
Delaware Ivy Global Bond Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.15%
|
Delaware Ivy Global Bond Fund - Class R | Banking Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.09%
|
Delaware Ivy Global Bond Fund - Class R | Electric Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Global Bond Fund - Class R | Consumer Non-Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Global Bond Fund - Class R | Finance Companies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy Global Bond Fund - Class R | Insurance Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.84%
|
Delaware Ivy Global Bond Fund - Class R | Consumer Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.71%
|
Delaware Ivy Global Bond Fund - Class R | Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Global Bond Fund - Class R | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.55%
|
Delaware Ivy Global Bond Fund - Class R | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Global Bond Fund - Class R | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.45%
|
Delaware Ivy Global Bond Fund - Class R | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.30%
|
Delaware Ivy Global Bond Fund - Class R | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Global Bond Fund - Class R | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
40.21%
|
Delaware Ivy Global Bond Fund - Class R | AUSTRALIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.78%
|
Delaware Ivy Global Bond Fund - Class R | SPAIN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy Global Bond Fund - Class R | IRELAND |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Global Bond Fund - Class R | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Asset Strategy Fund - Class Y | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.72%
|
Delaware Ivy Asset Strategy Fund - Class Y | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Asset Strategy Fund - Class Y | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy Asset Strategy Fund - Class Y | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Asset Strategy Fund - Class Y | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.14%
|
Delaware Ivy Asset Strategy Fund - Class Y | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.95%
|
Delaware Ivy Asset Strategy Fund - Class Y | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Asset Strategy Fund - Class Y | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.51%
|
Delaware Ivy Asset Strategy Fund - Class Y | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.49%
|
Delaware Ivy Asset Strategy Fund - Class Y | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.44%
|
Delaware Ivy Asset Strategy Fund - Class Y | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.71%
|
Delaware Ivy Asset Strategy Fund - Class Y | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.41%
|
Delaware Ivy Asset Strategy Fund - Class Y | Bullion [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.68%
|
Delaware Ivy Asset Strategy Fund - Class Y | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.36%
|
Delaware Ivy Asset Strategy Fund - Class Y | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Asset Strategy Fund - Class Y | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.57%
|
Delaware Ivy Asset Strategy Fund - Class Y | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Asset Strategy Fund - Class Y | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.09%
|
Delaware Ivy Asset Strategy Fund - Class Y | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.75%
|
Delaware Ivy Asset Strategy Fund - Class Y | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.45%
|
Delaware Ivy Asset Strategy Fund - Class C | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.72%
|
Delaware Ivy Asset Strategy Fund - Class C | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Asset Strategy Fund - Class C | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy Asset Strategy Fund - Class C | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Asset Strategy Fund - Class C | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.14%
|
Delaware Ivy Asset Strategy Fund - Class C | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.95%
|
Delaware Ivy Asset Strategy Fund - Class C | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Asset Strategy Fund - Class C | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.51%
|
Delaware Ivy Asset Strategy Fund - Class C | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.49%
|
Delaware Ivy Asset Strategy Fund - Class C | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.44%
|
Delaware Ivy Asset Strategy Fund - Class C | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.71%
|
Delaware Ivy Asset Strategy Fund - Class C | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.41%
|
Delaware Ivy Asset Strategy Fund - Class C | Bullion [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.68%
|
Delaware Ivy Asset Strategy Fund - Class C | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.36%
|
Delaware Ivy Asset Strategy Fund - Class C | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Asset Strategy Fund - Class C | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.57%
|
Delaware Ivy Asset Strategy Fund - Class C | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Asset Strategy Fund - Class C | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.09%
|
Delaware Ivy Asset Strategy Fund - Class C | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.75%
|
Delaware Ivy Asset Strategy Fund - Class C | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.45%
|
Delaware Ivy Small Cap Growth Fund - Class Y | CyberArk Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.87%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Parsons [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.13%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Federal Signal [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.02%
|
Delaware Ivy Small Cap Growth Fund - Class Y | ATI [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Clean Harbors [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Varonis Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.41%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Verra Mobility [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Integer Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.23%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Red Rock Resorts Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Vericel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.08%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.61%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
24.45%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.86%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.74%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.93%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.78%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.75%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.76%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Tencent Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.42%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Samsung Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.52%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | ICICI Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.01%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Infosys [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.94%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | NetEase [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Tata Consultancy Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.70%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Hero MotoCorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Alibaba Group Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Bank Central Asia [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.47%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.07%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.33%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
28.51%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.54%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.67%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.57%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.10%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
32.46%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.48%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.73%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | INDONESIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | SOUTH AFRICA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | TÜRKIYE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.63%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | MEXICO |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class C | SAUDI ARABIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.15%
|
Delaware Ivy Balanced Fund - Class R | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.50%
|
Delaware Ivy Balanced Fund - Class R | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Balanced Fund - Class R | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.73%
|
Delaware Ivy Balanced Fund - Class R | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Balanced Fund - Class R | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Balanced Fund - Class R | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Balanced Fund - Class R | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.02%
|
Delaware Ivy Balanced Fund - Class R | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Balanced Fund - Class R | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Balanced Fund - Class R | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Balanced Fund - Class R | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
60.10%
|
Delaware Ivy Balanced Fund - Class R | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.87%
|
Delaware Ivy Balanced Fund - Class R | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.70%
|
Delaware Ivy Balanced Fund - Class R | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.29%
|
Delaware Ivy Balanced Fund - Class R | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.38%
|
Delaware Ivy Balanced Fund - Class R | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.82%
|
Delaware Ivy Balanced Fund - Class R | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Balanced Fund - Class R | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.21%
|
Delaware Ivy Balanced Fund - Class R | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.55%
|
Delaware Ivy Balanced Fund - Class R | Non-Agency Asset-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.13%
|
Delaware Ivy Balanced Fund - Class R | Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.91%
|
Delaware Ivy Small Cap Growth Fund - Class C | CyberArk Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.87%
|
Delaware Ivy Small Cap Growth Fund - Class C | Parsons [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.13%
|
Delaware Ivy Small Cap Growth Fund - Class C | Federal Signal [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.02%
|
Delaware Ivy Small Cap Growth Fund - Class C | ATI [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Small Cap Growth Fund - Class C | Clean Harbors [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class C | Varonis Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.41%
|
Delaware Ivy Small Cap Growth Fund - Class C | Verra Mobility [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Small Cap Growth Fund - Class C | Integer Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.23%
|
Delaware Ivy Small Cap Growth Fund - Class C | Red Rock Resorts Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Small Cap Growth Fund - Class C | Vericel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.08%
|
Delaware Ivy Small Cap Growth Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.61%
|
Delaware Ivy Small Cap Growth Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
24.45%
|
Delaware Ivy Small Cap Growth Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.86%
|
Delaware Ivy Small Cap Growth Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.74%
|
Delaware Ivy Small Cap Growth Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.93%
|
Delaware Ivy Small Cap Growth Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.78%
|
Delaware Ivy Small Cap Growth Fund - Class C | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.75%
|
Delaware Ivy Small Cap Growth Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.76%
|
Delaware Climate Solutions Fund - Class R | First Solar [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class R | Cummins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.22%
|
Delaware Climate Solutions Fund - Class R | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.15%
|
Delaware Climate Solutions Fund - Class R | Kingspan Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.11%
|
Delaware Climate Solutions Fund - Class R | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class R | Schneider Electric [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class R | Waste Management [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.99%
|
Delaware Climate Solutions Fund - Class R | Weyerhaeuser [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Climate Solutions Fund - Class R | Ameren [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class R | CMS Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.45%
|
Delaware Climate Solutions Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.54%
|
Delaware Climate Solutions Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
17.89%
|
Delaware Climate Solutions Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.04%
|
Delaware Climate Solutions Fund - Class R | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
35.48%
|
Delaware Climate Solutions Fund - Class R | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Tencent Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.42%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Samsung Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.52%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | ICICI Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.01%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Infosys [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.94%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | NetEase [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Tata Consultancy Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.70%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Hero MotoCorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Alibaba Group Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Bank Central Asia [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.47%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.07%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.33%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
28.51%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.54%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.67%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.57%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.10%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
32.46%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.48%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.73%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | INDONESIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | SOUTH AFRICA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | TÜRKIYE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.63%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | MEXICO |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class Y | SAUDI ARABIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.15%
|
Delaware Ivy Core Equity Fund - Class I | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.37%
|
Delaware Ivy Core Equity Fund - Class I | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Ivy Core Equity Fund - Class I | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Core Equity Fund - Class I | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.48%
|
Delaware Ivy Core Equity Fund - Class I | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.70%
|
Delaware Ivy Core Equity Fund - Class I | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Core Equity Fund - Class I | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.21%
|
Delaware Ivy Core Equity Fund - Class I | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Core Equity Fund - Class I | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Core Equity Fund - Class I | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Core Equity Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy Core Equity Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.40%
|
Delaware Ivy Core Equity Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.86%
|
Delaware Ivy Core Equity Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.21%
|
Delaware Ivy Core Equity Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
29.47%
|
Delaware Ivy Core Equity Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.49%
|
Delaware Ivy Core Equity Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Core Equity Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.92%
|
Delaware Ivy Core Equity Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.50%
|
Delaware Ivy Core Equity Fund - Class I | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.23%
|
Delaware Ivy Global Bond Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.10%
|
Delaware Ivy Global Bond Fund - Class A | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.09%
|
Delaware Ivy Global Bond Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.15%
|
Delaware Ivy Global Bond Fund - Class A | Banking Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.09%
|
Delaware Ivy Global Bond Fund - Class A | Electric Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Global Bond Fund - Class A | Consumer Non-Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Global Bond Fund - Class A | Finance Companies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy Global Bond Fund - Class A | Insurance Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.84%
|
Delaware Ivy Global Bond Fund - Class A | Consumer Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.71%
|
Delaware Ivy Global Bond Fund - Class A | Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Global Bond Fund - Class A | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.55%
|
Delaware Ivy Global Bond Fund - Class A | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Global Bond Fund - Class A | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.45%
|
Delaware Ivy Global Bond Fund - Class A | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.30%
|
Delaware Ivy Global Bond Fund - Class A | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Global Bond Fund - Class A | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
40.21%
|
Delaware Ivy Global Bond Fund - Class A | AUSTRALIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.78%
|
Delaware Ivy Global Bond Fund - Class A | SPAIN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy Global Bond Fund - Class A | IRELAND |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Global Bond Fund - Class A | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | L3Harris Technologies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.91%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Extra Space Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Tractor Supply [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | First American Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.88%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Levi Strauss & Co. Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Broadridge Financial Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Arthur J Gallagher & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Rollins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Stanley Black & Decker [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | TE Connectivity [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.65%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.68%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.43%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
31.27%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.05%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.62%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.49%
|
Delaware Ivy Large Cap Growth Fund - Class A | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.04%
|
Delaware Ivy Large Cap Growth Fund - Class A | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.98%
|
Delaware Ivy Large Cap Growth Fund - Class A | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.71%
|
Delaware Ivy Large Cap Growth Fund - Class A | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.59%
|
Delaware Ivy Large Cap Growth Fund - Class A | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.04%
|
Delaware Ivy Large Cap Growth Fund - Class A | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.16%
|
Delaware Ivy Large Cap Growth Fund - Class A | Visa Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.24%
|
Delaware Ivy Large Cap Growth Fund - Class A | Intercontinental Exchange [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.15%
|
Delaware Ivy Large Cap Growth Fund - Class A | Motorola Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.99%
|
Delaware Ivy Large Cap Growth Fund - Class A | Danaher [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.80%
|
Delaware Ivy Large Cap Growth Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.52%
|
Delaware Ivy Large Cap Growth Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.35%
|
Delaware Ivy Large Cap Growth Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Ivy Large Cap Growth Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
43.12%
|
Delaware Ivy Large Cap Growth Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.15%
|
Delaware Ivy Large Cap Growth Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.49%
|
Delaware Ivy Large Cap Growth Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.46%
|
Delaware Ivy Large Cap Growth Fund - Class A | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Real Estate Securities Fund - Class Y | Equinix [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.07%
|
Delaware Real Estate Securities Fund - Class Y | Welltower [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.94%
|
Delaware Real Estate Securities Fund - Class Y | Public Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class Y | Agree Realty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.84%
|
Delaware Real Estate Securities Fund - Class Y | AvalonBay Communities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Real Estate Securities Fund - Class Y | VICI Properties [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.61%
|
Delaware Real Estate Securities Fund - Class Y | Prologis [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.25%
|
Delaware Real Estate Securities Fund - Class Y | Invitation Homes [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.04%
|
Delaware Real Estate Securities Fund - Class Y | Alexandria Real Estate Equities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Real Estate Securities Fund - Class Y | Digital Realty Trust [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.69%
|
Delaware Real Estate Securities Fund - Class Y | REIT Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.38%
|
Delaware Real Estate Securities Fund - Class Y | REIT Data Center [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.76%
|
Delaware Real Estate Securities Fund - Class Y | REIT Retail [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.38%
|
Delaware Real Estate Securities Fund - Class Y | REIT Multifamily [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Real Estate Securities Fund - Class Y | REIT Industrial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.89%
|
Delaware Real Estate Securities Fund - Class Y | REIT Single Family [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.53%
|
Delaware Real Estate Securities Fund - Class Y | REIT Self-Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class Y | REIT Specialty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.60%
|
Delaware Real Estate Securities Fund - Class Y | REIT Diversified [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.20%
|
Delaware Real Estate Securities Fund - Class Y | REIT Hotel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class I | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class I | MercadoLibre [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.37%
|
Delaware Ivy International Core Equity Fund - Class I | SAP [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy International Core Equity Fund - Class I | Airbus [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.67%
|
Delaware Ivy International Core Equity Fund - Class I | KB Financial Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.57%
|
Delaware Ivy International Core Equity Fund - Class I | Thales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy International Core Equity Fund - Class I | Sea ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy International Core Equity Fund - Class I | Banco Bilbao Vizcaya Argentaria [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.40%
|
Delaware Ivy International Core Equity Fund - Class I | HDFC Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class I | Deutsche Telekom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy International Core Equity Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy International Core Equity Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.13%
|
Delaware Ivy International Core Equity Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.85%
|
Delaware Ivy International Core Equity Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.30%
|
Delaware Ivy International Core Equity Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy International Core Equity Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.98%
|
Delaware Ivy International Core Equity Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.03%
|
Delaware Ivy International Core Equity Fund - Class I | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy International Core Equity Fund - Class I | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.99%
|
Delaware Ivy International Core Equity Fund - Class I | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.86%
|
Delaware Ivy International Core Equity Fund - Class I | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class I | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.43%
|
Delaware Ivy International Core Equity Fund - Class I | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.41%
|
Delaware Ivy International Core Equity Fund - Class I | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.31%
|
Delaware Ivy International Core Equity Fund - Class I | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.92%
|
Delaware Ivy International Core Equity Fund - Class I | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.12%
|
Delaware Ivy International Core Equity Fund - Class I | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.85%
|
Delaware Ivy International Core Equity Fund - Class I | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.82%
|
Delaware Real Estate Securities Fund - Class C | Equinix [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.07%
|
Delaware Real Estate Securities Fund - Class C | Welltower [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.94%
|
Delaware Real Estate Securities Fund - Class C | Public Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class C | Agree Realty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.84%
|
Delaware Real Estate Securities Fund - Class C | AvalonBay Communities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Real Estate Securities Fund - Class C | VICI Properties [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.61%
|
Delaware Real Estate Securities Fund - Class C | Prologis [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.25%
|
Delaware Real Estate Securities Fund - Class C | Invitation Homes [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.04%
|
Delaware Real Estate Securities Fund - Class C | Alexandria Real Estate Equities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Real Estate Securities Fund - Class C | Digital Realty Trust [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.69%
|
Delaware Real Estate Securities Fund - Class C | REIT Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.38%
|
Delaware Real Estate Securities Fund - Class C | REIT Data Center [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.76%
|
Delaware Real Estate Securities Fund - Class C | REIT Retail [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.38%
|
Delaware Real Estate Securities Fund - Class C | REIT Multifamily [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Real Estate Securities Fund - Class C | REIT Industrial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.89%
|
Delaware Real Estate Securities Fund - Class C | REIT Single Family [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.53%
|
Delaware Real Estate Securities Fund - Class C | REIT Self-Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class C | REIT Specialty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.60%
|
Delaware Real Estate Securities Fund - Class C | REIT Diversified [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.20%
|
Delaware Real Estate Securities Fund - Class C | REIT Hotel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy Science and Technology Fund - Class R | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.36%
|
Delaware Ivy Science and Technology Fund - Class R | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.03%
|
Delaware Ivy Science and Technology Fund - Class R | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Science and Technology Fund - Class R | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Science and Technology Fund - Class R | Meta Platforms Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.87%
|
Delaware Ivy Science and Technology Fund - Class R | Seagate Technology Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.98%
|
Delaware Ivy Science and Technology Fund - Class R | Broadcom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy Science and Technology Fund - Class R | Zebra Technologies Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.81%
|
Delaware Ivy Science and Technology Fund - Class R | SAP ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.66%
|
Delaware Ivy Science and Technology Fund - Class R | ASML Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Science and Technology Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.52%
|
Delaware Ivy Science and Technology Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.27%
|
Delaware Ivy Science and Technology Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.99%
|
Delaware Ivy Science and Technology Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Science and Technology Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.39%
|
Delaware Ivy Mid Cap Growth Fund - Class I | CoStar Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Floor & Decor Holdings Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Trade Desk Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Mid Cap Growth Fund - Class I | MarketAxess Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Monolithic Power Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class I | IDEXX Laboratories [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.31%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Pinterest Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Pool [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.17%
|
Delaware Ivy Mid Cap Growth Fund - Class I | HEICO Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.10%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Veeva Systems Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.20%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.19%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.39%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.82%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.53%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.34%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Ivy Mid Cap Growth Fund - Class I | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Global Bond Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.10%
|
Delaware Ivy Global Bond Fund - Class R6 | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.09%
|
Delaware Ivy Global Bond Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.15%
|
Delaware Ivy Global Bond Fund - Class R6 | Banking Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.09%
|
Delaware Ivy Global Bond Fund - Class R6 | Electric Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Global Bond Fund - Class R6 | Consumer Non-Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Global Bond Fund - Class R6 | Finance Companies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy Global Bond Fund - Class R6 | Insurance Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.84%
|
Delaware Ivy Global Bond Fund - Class R6 | Consumer Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.71%
|
Delaware Ivy Global Bond Fund - Class R6 | Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Global Bond Fund - Class R6 | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.55%
|
Delaware Ivy Global Bond Fund - Class R6 | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Global Bond Fund - Class R6 | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.45%
|
Delaware Ivy Global Bond Fund - Class R6 | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.30%
|
Delaware Ivy Global Bond Fund - Class R6 | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Global Bond Fund - Class R6 | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
40.21%
|
Delaware Ivy Global Bond Fund - Class R6 | AUSTRALIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.78%
|
Delaware Ivy Global Bond Fund - Class R6 | SPAIN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy Global Bond Fund - Class R6 | IRELAND |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Global Bond Fund - Class R6 | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Natural Resources Fund - Class Y | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class Y | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.18%
|
Delaware Ivy Natural Resources Fund - Class Y | Newmont [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.66%
|
Delaware Ivy Natural Resources Fund - Class Y | Shell [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.73%
|
Delaware Ivy Natural Resources Fund - Class Y | CF Industries Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.55%
|
Delaware Ivy Natural Resources Fund - Class Y | CRH [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class Y | Schlumberger [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class Y | Wheaton Precious Metals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.90%
|
Delaware Ivy Natural Resources Fund - Class Y | Hudbay Minerals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Natural Resources Fund - Class Y | Endeavour Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.52%
|
Delaware Ivy Natural Resources Fund - Class Y | Oil & Gas Exploration & Production [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.51%
|
Delaware Ivy Natural Resources Fund - Class Y | Golds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.08%
|
Delaware Ivy Natural Resources Fund - Class Y | Diversified Metals & Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.72%
|
Delaware Ivy Natural Resources Fund - Class Y | Fertilizers & Agricultural Chemicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Natural Resources Fund - Class Y | Integrated Oil & Gas [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.45%
|
Delaware Ivy Natural Resources Fund - Class Y | Construction Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class Y | Oil & Gas Equipment & Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class Y | Forest Products [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.94%
|
Delaware Ivy Natural Resources Fund - Class Y | Aluminum [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class Y | Copper [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy High Income Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.84%
|
Delaware Ivy High Income Fund - Class A | Media [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.74%
|
Delaware Ivy High Income Fund - Class A | Basic Industry [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.25%
|
Delaware Ivy High Income Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.09%
|
Delaware Ivy High Income Fund - Class A | Telecommunications [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.71%
|
Delaware Ivy High Income Fund - Class A | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.70%
|
Delaware Ivy High Income Fund - Class A | Leisure [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.62%
|
Delaware Ivy High Income Fund - Class A | Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.41%
|
Delaware Ivy High Income Fund - Class A | Technology & Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy High Income Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.42%
|
Delaware Ivy Natural Resources Fund - Class C | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class C | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.18%
|
Delaware Ivy Natural Resources Fund - Class C | Newmont [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.66%
|
Delaware Ivy Natural Resources Fund - Class C | Shell [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.73%
|
Delaware Ivy Natural Resources Fund - Class C | CF Industries Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.55%
|
Delaware Ivy Natural Resources Fund - Class C | CRH [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class C | Schlumberger [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class C | Wheaton Precious Metals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.90%
|
Delaware Ivy Natural Resources Fund - Class C | Hudbay Minerals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Natural Resources Fund - Class C | Endeavour Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.52%
|
Delaware Ivy Natural Resources Fund - Class C | Oil & Gas Exploration & Production [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.51%
|
Delaware Ivy Natural Resources Fund - Class C | Golds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.08%
|
Delaware Ivy Natural Resources Fund - Class C | Diversified Metals & Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.72%
|
Delaware Ivy Natural Resources Fund - Class C | Fertilizers & Agricultural Chemicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Natural Resources Fund - Class C | Integrated Oil & Gas [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.45%
|
Delaware Ivy Natural Resources Fund - Class C | Construction Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class C | Oil & Gas Equipment & Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class C | Forest Products [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.94%
|
Delaware Ivy Natural Resources Fund - Class C | Aluminum [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class C | Copper [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Global Growth Fund - Class I | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.50%
|
Delaware Ivy Global Growth Fund - Class I | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.03%
|
Delaware Ivy Global Growth Fund - Class I | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Global Growth Fund - Class I | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.28%
|
Delaware Ivy Global Growth Fund - Class I | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.17%
|
Delaware Ivy Global Growth Fund - Class I | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class I | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.30%
|
Delaware Ivy Global Growth Fund - Class I | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Global Growth Fund - Class I | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Global Growth Fund - Class I | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Global Growth Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Global Growth Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.73%
|
Delaware Ivy Global Growth Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.03%
|
Delaware Ivy Global Growth Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.65%
|
Delaware Ivy Global Growth Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.20%
|
Delaware Ivy Global Growth Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.58%
|
Delaware Ivy Global Growth Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.61%
|
Delaware Ivy Global Growth Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.24%
|
Delaware Ivy Global Growth Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.09%
|
Delaware Ivy Global Growth Fund - Class I | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.63%
|
Delaware Ivy Global Growth Fund - Class I | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Global Growth Fund - Class I | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class I | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.24%
|
Delaware Ivy Global Growth Fund - Class I | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.39%
|
Delaware Ivy Global Growth Fund - Class I | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.77%
|
Delaware Ivy Global Growth Fund - Class I | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.23%
|
Delaware Ivy Global Growth Fund - Class I | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.27%
|
Delaware Ivy Global Growth Fund - Class I | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
64.11%
|
Delaware Ivy Global Growth Fund - Class I | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.64%
|
Delaware Ivy Global Growth Fund - Class I | SINGAPORE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.04%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.98%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.71%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.59%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.04%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.16%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Visa Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.24%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Intercontinental Exchange [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.15%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Motorola Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.99%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Danaher [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.80%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.52%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.35%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
43.12%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.15%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.49%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.46%
|
Delaware Ivy Large Cap Growth Fund - Class R6 | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | L3Harris Technologies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.91%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Extra Space Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Tractor Supply [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | First American Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.88%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Levi Strauss & Co. Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Broadridge Financial Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Arthur J Gallagher & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Rollins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Stanley Black & Decker [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | TE Connectivity [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.65%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.68%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.43%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
31.27%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.05%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.62%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class A | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.49%
|
Delaware Ivy High Income Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.84%
|
Delaware Ivy High Income Fund - Class R6 | Media [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.74%
|
Delaware Ivy High Income Fund - Class R6 | Basic Industry [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.25%
|
Delaware Ivy High Income Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.09%
|
Delaware Ivy High Income Fund - Class R6 | Telecommunications [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.71%
|
Delaware Ivy High Income Fund - Class R6 | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.70%
|
Delaware Ivy High Income Fund - Class R6 | Leisure [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.62%
|
Delaware Ivy High Income Fund - Class R6 | Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.41%
|
Delaware Ivy High Income Fund - Class R6 | Technology & Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy High Income Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.42%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | L3Harris Technologies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.91%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Extra Space Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Tractor Supply [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | First American Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.88%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Levi Strauss & Co. Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Broadridge Financial Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.87%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Arthur J Gallagher & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Rollins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Stanley Black & Decker [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | TE Connectivity [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.86%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.65%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.68%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.43%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
31.27%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.05%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.62%
|
Delaware Ivy Mid Cap Income Opportunities Fund - Class R6 | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.49%
|
Delaware Climate Solutions Fund - Class A | First Solar [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class A | Cummins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.22%
|
Delaware Climate Solutions Fund - Class A | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.15%
|
Delaware Climate Solutions Fund - Class A | Kingspan Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.11%
|
Delaware Climate Solutions Fund - Class A | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class A | Schneider Electric [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class A | Waste Management [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.99%
|
Delaware Climate Solutions Fund - Class A | Weyerhaeuser [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Climate Solutions Fund - Class A | Ameren [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class A | CMS Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.45%
|
Delaware Climate Solutions Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.54%
|
Delaware Climate Solutions Fund - Class A | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
17.89%
|
Delaware Climate Solutions Fund - Class A | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.04%
|
Delaware Climate Solutions Fund - Class A | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
35.48%
|
Delaware Climate Solutions Fund - Class A | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Ivy Small Cap Growth Fund - Class I | CyberArk Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.87%
|
Delaware Ivy Small Cap Growth Fund - Class I | Parsons [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.13%
|
Delaware Ivy Small Cap Growth Fund - Class I | Federal Signal [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.02%
|
Delaware Ivy Small Cap Growth Fund - Class I | ATI [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Small Cap Growth Fund - Class I | Clean Harbors [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class I | Varonis Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.41%
|
Delaware Ivy Small Cap Growth Fund - Class I | Verra Mobility [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Small Cap Growth Fund - Class I | Integer Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.23%
|
Delaware Ivy Small Cap Growth Fund - Class I | Red Rock Resorts Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Small Cap Growth Fund - Class I | Vericel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.08%
|
Delaware Ivy Small Cap Growth Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.61%
|
Delaware Ivy Small Cap Growth Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
24.45%
|
Delaware Ivy Small Cap Growth Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.86%
|
Delaware Ivy Small Cap Growth Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.74%
|
Delaware Ivy Small Cap Growth Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.93%
|
Delaware Ivy Small Cap Growth Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.78%
|
Delaware Ivy Small Cap Growth Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.75%
|
Delaware Ivy Small Cap Growth Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Small Cap Growth Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.76%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | East West Bancorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Chesapeake Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.47%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Boise Cascade [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.39%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Carlisle [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.35%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Casey's General Stores [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Liberty Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Webster Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Stifel Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Steven Madden [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Guidewire Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.19%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.90%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.50%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Technology [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.88%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Real Estate Investment Trusts [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.51%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Basic Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.25%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Business Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.16%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.27%
|
Delaware Ivy Smid Cap Core Fund - Class R6 | Credit Cyclicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Ivy Core Equity Fund - Class R | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.37%
|
Delaware Ivy Core Equity Fund - Class R | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Ivy Core Equity Fund - Class R | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Core Equity Fund - Class R | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.48%
|
Delaware Ivy Core Equity Fund - Class R | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.70%
|
Delaware Ivy Core Equity Fund - Class R | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Core Equity Fund - Class R | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.21%
|
Delaware Ivy Core Equity Fund - Class R | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Core Equity Fund - Class R | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Core Equity Fund - Class R | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Core Equity Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy Core Equity Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.40%
|
Delaware Ivy Core Equity Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.86%
|
Delaware Ivy Core Equity Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.21%
|
Delaware Ivy Core Equity Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
29.47%
|
Delaware Ivy Core Equity Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.49%
|
Delaware Ivy Core Equity Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Core Equity Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.92%
|
Delaware Ivy Core Equity Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.50%
|
Delaware Ivy Core Equity Fund - Class R | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.23%
|
Delaware Ivy Smid Cap Core Fund - Class A | East West Bancorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Smid Cap Core Fund - Class A | Chesapeake Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.47%
|
Delaware Ivy Smid Cap Core Fund - Class A | Boise Cascade [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.39%
|
Delaware Ivy Smid Cap Core Fund - Class A | Carlisle [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.35%
|
Delaware Ivy Smid Cap Core Fund - Class A | Casey's General Stores [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class A | Liberty Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.34%
|
Delaware Ivy Smid Cap Core Fund - Class A | Webster Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class A | Stifel Financial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.33%
|
Delaware Ivy Smid Cap Core Fund - Class A | Steven Madden [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class A | Guidewire Software [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.30%
|
Delaware Ivy Smid Cap Core Fund - Class A | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Smid Cap Core Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.19%
|
Delaware Ivy Smid Cap Core Fund - Class A | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.90%
|
Delaware Ivy Smid Cap Core Fund - Class A | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.50%
|
Delaware Ivy Smid Cap Core Fund - Class A | Technology [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.88%
|
Delaware Ivy Smid Cap Core Fund - Class A | Real Estate Investment Trusts [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.51%
|
Delaware Ivy Smid Cap Core Fund - Class A | Basic Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.25%
|
Delaware Ivy Smid Cap Core Fund - Class A | Business Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.16%
|
Delaware Ivy Smid Cap Core Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.27%
|
Delaware Ivy Smid Cap Core Fund - Class A | Credit Cyclicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Ivy Asset Strategy Fund - Class I | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.72%
|
Delaware Ivy Asset Strategy Fund - Class I | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.72%
|
Delaware Ivy Asset Strategy Fund - Class I | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy Asset Strategy Fund - Class I | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Asset Strategy Fund - Class I | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.14%
|
Delaware Ivy Asset Strategy Fund - Class I | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.95%
|
Delaware Ivy Asset Strategy Fund - Class I | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Asset Strategy Fund - Class I | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.51%
|
Delaware Ivy Asset Strategy Fund - Class I | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.49%
|
Delaware Ivy Asset Strategy Fund - Class I | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.44%
|
Delaware Ivy Asset Strategy Fund - Class I | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.71%
|
Delaware Ivy Asset Strategy Fund - Class I | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.41%
|
Delaware Ivy Asset Strategy Fund - Class I | Bullion [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.68%
|
Delaware Ivy Asset Strategy Fund - Class I | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.36%
|
Delaware Ivy Asset Strategy Fund - Class I | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Asset Strategy Fund - Class I | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.57%
|
Delaware Ivy Asset Strategy Fund - Class I | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Ivy Asset Strategy Fund - Class I | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.09%
|
Delaware Ivy Asset Strategy Fund - Class I | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.75%
|
Delaware Ivy Asset Strategy Fund - Class I | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.45%
|
Delaware Ivy Science and Technology Fund - Class R6 | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.36%
|
Delaware Ivy Science and Technology Fund - Class R6 | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.03%
|
Delaware Ivy Science and Technology Fund - Class R6 | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Science and Technology Fund - Class R6 | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Science and Technology Fund - Class R6 | Meta Platforms Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.87%
|
Delaware Ivy Science and Technology Fund - Class R6 | Seagate Technology Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.98%
|
Delaware Ivy Science and Technology Fund - Class R6 | Broadcom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy Science and Technology Fund - Class R6 | Zebra Technologies Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.81%
|
Delaware Ivy Science and Technology Fund - Class R6 | SAP ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.66%
|
Delaware Ivy Science and Technology Fund - Class R6 | ASML Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Science and Technology Fund - Class R6 | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.52%
|
Delaware Ivy Science and Technology Fund - Class R6 | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.27%
|
Delaware Ivy Science and Technology Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.99%
|
Delaware Ivy Science and Technology Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Science and Technology Fund - Class R6 | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.39%
|
Delaware Ivy Global Growth Fund - Class R | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.50%
|
Delaware Ivy Global Growth Fund - Class R | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.03%
|
Delaware Ivy Global Growth Fund - Class R | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.36%
|
Delaware Ivy Global Growth Fund - Class R | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.28%
|
Delaware Ivy Global Growth Fund - Class R | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.17%
|
Delaware Ivy Global Growth Fund - Class R | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class R | Mastercard Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.30%
|
Delaware Ivy Global Growth Fund - Class R | Home Depot [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.24%
|
Delaware Ivy Global Growth Fund - Class R | Eli Lilly & Co. [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Global Growth Fund - Class R | Salesforce [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Global Growth Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Global Growth Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.73%
|
Delaware Ivy Global Growth Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.03%
|
Delaware Ivy Global Growth Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.65%
|
Delaware Ivy Global Growth Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.20%
|
Delaware Ivy Global Growth Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.58%
|
Delaware Ivy Global Growth Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.61%
|
Delaware Ivy Global Growth Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.24%
|
Delaware Ivy Global Growth Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.09%
|
Delaware Ivy Global Growth Fund - Class R | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.63%
|
Delaware Ivy Global Growth Fund - Class R | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Global Growth Fund - Class R | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.90%
|
Delaware Ivy Global Growth Fund - Class R | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.24%
|
Delaware Ivy Global Growth Fund - Class R | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.39%
|
Delaware Ivy Global Growth Fund - Class R | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.77%
|
Delaware Ivy Global Growth Fund - Class R | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.23%
|
Delaware Ivy Global Growth Fund - Class R | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.27%
|
Delaware Ivy Global Growth Fund - Class R | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
64.11%
|
Delaware Ivy Global Growth Fund - Class R | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.64%
|
Delaware Ivy Global Growth Fund - Class R | SINGAPORE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.50%
|
Delaware Climate Solutions Fund - Class R6 | First Solar [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class R6 | Cummins [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.22%
|
Delaware Climate Solutions Fund - Class R6 | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.15%
|
Delaware Climate Solutions Fund - Class R6 | Kingspan Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.11%
|
Delaware Climate Solutions Fund - Class R6 | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class R6 | Schneider Electric [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.09%
|
Delaware Climate Solutions Fund - Class R6 | Waste Management [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.99%
|
Delaware Climate Solutions Fund - Class R6 | Weyerhaeuser [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Climate Solutions Fund - Class R6 | Ameren [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class R6 | CMS Energy [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.78%
|
Delaware Climate Solutions Fund - Class R6 | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.45%
|
Delaware Climate Solutions Fund - Class R6 | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.23%
|
Delaware Climate Solutions Fund - Class R6 | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.54%
|
Delaware Climate Solutions Fund - Class R6 | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
17.89%
|
Delaware Climate Solutions Fund - Class R6 | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.04%
|
Delaware Climate Solutions Fund - Class R6 | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
35.48%
|
Delaware Climate Solutions Fund - Class R6 | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Tencent Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.42%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Samsung Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.52%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | ICICI Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.01%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Infosys [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.94%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | NetEase [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Tata Consultancy Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.70%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Hero MotoCorp [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Alibaba Group Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Bank Central Asia [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.47%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.07%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
21.33%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
28.51%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.54%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.96%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.67%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.57%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.10%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
32.46%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
22.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.48%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.73%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | INDONESIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.05%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.86%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | SOUTH AFRICA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | TÜRKIYE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.63%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | MEXICO |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.19%
|
Delaware Ivy Systematic Emerging Markets Equity Fund - Class I | SAUDI ARABIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.15%
|
Delaware Ivy Balanced Fund - Class A | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.50%
|
Delaware Ivy Balanced Fund - Class A | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Balanced Fund - Class A | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.73%
|
Delaware Ivy Balanced Fund - Class A | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Balanced Fund - Class A | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Balanced Fund - Class A | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Balanced Fund - Class A | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.02%
|
Delaware Ivy Balanced Fund - Class A | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Balanced Fund - Class A | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Balanced Fund - Class A | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Balanced Fund - Class A | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
60.10%
|
Delaware Ivy Balanced Fund - Class A | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.87%
|
Delaware Ivy Balanced Fund - Class A | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.70%
|
Delaware Ivy Balanced Fund - Class A | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.29%
|
Delaware Ivy Balanced Fund - Class A | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.38%
|
Delaware Ivy Balanced Fund - Class A | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.82%
|
Delaware Ivy Balanced Fund - Class A | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Balanced Fund - Class A | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.21%
|
Delaware Ivy Balanced Fund - Class A | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.55%
|
Delaware Ivy Balanced Fund - Class A | Non-Agency Asset-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.13%
|
Delaware Ivy Balanced Fund - Class A | Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.91%
|
Delaware Ivy Global Bond Fund - Class C | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.10%
|
Delaware Ivy Global Bond Fund - Class C | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.09%
|
Delaware Ivy Global Bond Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.15%
|
Delaware Ivy Global Bond Fund - Class C | Banking Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.09%
|
Delaware Ivy Global Bond Fund - Class C | Electric Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Global Bond Fund - Class C | Consumer Non-Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Global Bond Fund - Class C | Finance Companies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy Global Bond Fund - Class C | Insurance Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.84%
|
Delaware Ivy Global Bond Fund - Class C | Consumer Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.71%
|
Delaware Ivy Global Bond Fund - Class C | Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Global Bond Fund - Class C | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.55%
|
Delaware Ivy Global Bond Fund - Class C | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Global Bond Fund - Class C | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.45%
|
Delaware Ivy Global Bond Fund - Class C | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.30%
|
Delaware Ivy Global Bond Fund - Class C | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Global Bond Fund - Class C | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
40.21%
|
Delaware Ivy Global Bond Fund - Class C | AUSTRALIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.78%
|
Delaware Ivy Global Bond Fund - Class C | SPAIN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy Global Bond Fund - Class C | IRELAND |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Global Bond Fund - Class C | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy Large Cap Growth Fund - Class C | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.04%
|
Delaware Ivy Large Cap Growth Fund - Class C | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.98%
|
Delaware Ivy Large Cap Growth Fund - Class C | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.71%
|
Delaware Ivy Large Cap Growth Fund - Class C | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.59%
|
Delaware Ivy Large Cap Growth Fund - Class C | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.04%
|
Delaware Ivy Large Cap Growth Fund - Class C | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.16%
|
Delaware Ivy Large Cap Growth Fund - Class C | Visa Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.24%
|
Delaware Ivy Large Cap Growth Fund - Class C | Intercontinental Exchange [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.15%
|
Delaware Ivy Large Cap Growth Fund - Class C | Motorola Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.99%
|
Delaware Ivy Large Cap Growth Fund - Class C | Danaher [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.80%
|
Delaware Ivy Large Cap Growth Fund - Class C | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.52%
|
Delaware Ivy Large Cap Growth Fund - Class C | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.35%
|
Delaware Ivy Large Cap Growth Fund - Class C | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Ivy Large Cap Growth Fund - Class C | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
43.12%
|
Delaware Ivy Large Cap Growth Fund - Class C | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.15%
|
Delaware Ivy Large Cap Growth Fund - Class C | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.49%
|
Delaware Ivy Large Cap Growth Fund - Class C | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.46%
|
Delaware Ivy Large Cap Growth Fund - Class C | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Real Estate Securities Fund - Class I | Equinix [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.07%
|
Delaware Real Estate Securities Fund - Class I | Welltower [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.94%
|
Delaware Real Estate Securities Fund - Class I | Public Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class I | Agree Realty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.84%
|
Delaware Real Estate Securities Fund - Class I | AvalonBay Communities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Real Estate Securities Fund - Class I | VICI Properties [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.61%
|
Delaware Real Estate Securities Fund - Class I | Prologis [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.25%
|
Delaware Real Estate Securities Fund - Class I | Invitation Homes [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.04%
|
Delaware Real Estate Securities Fund - Class I | Alexandria Real Estate Equities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.71%
|
Delaware Real Estate Securities Fund - Class I | Digital Realty Trust [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.69%
|
Delaware Real Estate Securities Fund - Class I | REIT Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.38%
|
Delaware Real Estate Securities Fund - Class I | REIT Data Center [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
16.76%
|
Delaware Real Estate Securities Fund - Class I | REIT Retail [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.38%
|
Delaware Real Estate Securities Fund - Class I | REIT Multifamily [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Real Estate Securities Fund - Class I | REIT Industrial [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.89%
|
Delaware Real Estate Securities Fund - Class I | REIT Single Family [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.53%
|
Delaware Real Estate Securities Fund - Class I | REIT Self-Storage [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.91%
|
Delaware Real Estate Securities Fund - Class I | REIT Specialty [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.60%
|
Delaware Real Estate Securities Fund - Class I | REIT Diversified [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.20%
|
Delaware Real Estate Securities Fund - Class I | REIT Hotel [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy Science and Technology Fund - Class A | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.36%
|
Delaware Ivy Science and Technology Fund - Class A | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.03%
|
Delaware Ivy Science and Technology Fund - Class A | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.63%
|
Delaware Ivy Science and Technology Fund - Class A | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Science and Technology Fund - Class A | Meta Platforms Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.87%
|
Delaware Ivy Science and Technology Fund - Class A | Seagate Technology Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.98%
|
Delaware Ivy Science and Technology Fund - Class A | Broadcom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy Science and Technology Fund - Class A | Zebra Technologies Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.81%
|
Delaware Ivy Science and Technology Fund - Class A | SAP ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.66%
|
Delaware Ivy Science and Technology Fund - Class A | ASML Holding [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Science and Technology Fund - Class A | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.52%
|
Delaware Ivy Science and Technology Fund - Class A | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.27%
|
Delaware Ivy Science and Technology Fund - Class A | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
66.99%
|
Delaware Ivy Science and Technology Fund - Class A | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.51%
|
Delaware Ivy Science and Technology Fund - Class A | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.39%
|
Delaware Ivy Balanced Fund - Class R6 | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.50%
|
Delaware Ivy Balanced Fund - Class R6 | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Balanced Fund - Class R6 | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.73%
|
Delaware Ivy Balanced Fund - Class R6 | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.13%
|
Delaware Ivy Balanced Fund - Class R6 | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.89%
|
Delaware Ivy Balanced Fund - Class R6 | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Balanced Fund - Class R6 | HCA Healthcare [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.02%
|
Delaware Ivy Balanced Fund - Class R6 | Taiwan Semiconductor Manufacturing ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Balanced Fund - Class R6 | Costco Wholesales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.58%
|
Delaware Ivy Balanced Fund - Class R6 | Fiserv [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Balanced Fund - Class R6 | Common Stock [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
60.10%
|
Delaware Ivy Balanced Fund - Class R6 | Corporate Bonds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
10.87%
|
Delaware Ivy Balanced Fund - Class R6 | Agency Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.70%
|
Delaware Ivy Balanced Fund - Class R6 | ShortTerm Investment [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.29%
|
Delaware Ivy Balanced Fund - Class R6 | Loan Agreements [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.38%
|
Delaware Ivy Balanced Fund - Class R6 | Exchange-Traded Fund [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.82%
|
Delaware Ivy Balanced Fund - Class R6 | Non-Agency Commercial Mortgage-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy Balanced Fund - Class R6 | US Treasury Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.21%
|
Delaware Ivy Balanced Fund - Class R6 | Non-Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.55%
|
Delaware Ivy Balanced Fund - Class R6 | Non-Agency Asset-Backed Securities [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.13%
|
Delaware Ivy Balanced Fund - Class R6 | Agency Collateralized Mortgage Obligations [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
0.91%
|
Delaware Ivy Global Bond Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.10%
|
Delaware Ivy Global Bond Fund - Class Y | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.09%
|
Delaware Ivy Global Bond Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.15%
|
Delaware Ivy Global Bond Fund - Class Y | Banking Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.09%
|
Delaware Ivy Global Bond Fund - Class Y | Electric Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.01%
|
Delaware Ivy Global Bond Fund - Class Y | Consumer Non-Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.71%
|
Delaware Ivy Global Bond Fund - Class Y | Finance Companies [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy Global Bond Fund - Class Y | Insurance Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.84%
|
Delaware Ivy Global Bond Fund - Class Y | Consumer Cyclical [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.71%
|
Delaware Ivy Global Bond Fund - Class Y | Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.65%
|
Delaware Ivy Global Bond Fund - Class Y | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.55%
|
Delaware Ivy Global Bond Fund - Class Y | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.83%
|
Delaware Ivy Global Bond Fund - Class Y | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.45%
|
Delaware Ivy Global Bond Fund - Class Y | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.30%
|
Delaware Ivy Global Bond Fund - Class Y | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.19%
|
Delaware Ivy Global Bond Fund - Class Y | UNITED STATES |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
40.21%
|
Delaware Ivy Global Bond Fund - Class Y | AUSTRALIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.78%
|
Delaware Ivy Global Bond Fund - Class Y | SPAIN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy Global Bond Fund - Class Y | IRELAND |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.34%
|
Delaware Ivy Global Bond Fund - Class Y | ITALY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy High Income Fund - Class Y | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.84%
|
Delaware Ivy High Income Fund - Class Y | Media [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.74%
|
Delaware Ivy High Income Fund - Class Y | Basic Industry [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.25%
|
Delaware Ivy High Income Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.09%
|
Delaware Ivy High Income Fund - Class Y | Telecommunications [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.71%
|
Delaware Ivy High Income Fund - Class Y | Capital Goods [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.70%
|
Delaware Ivy High Income Fund - Class Y | Leisure [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.62%
|
Delaware Ivy High Income Fund - Class Y | Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.41%
|
Delaware Ivy High Income Fund - Class Y | Technology & Electronics [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.60%
|
Delaware Ivy High Income Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.42%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Microsoft [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
13.04%
|
Delaware Ivy Large Cap Growth Fund - Class Y | NVIDIA [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.98%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Alphabet Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.71%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Amazon.com [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.59%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Apple [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.04%
|
Delaware Ivy Large Cap Growth Fund - Class Y | UnitedHealth Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.16%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Visa Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.24%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Intercontinental Exchange [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.15%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Motorola Solutions [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.99%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Danaher [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.80%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.52%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.35%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.23%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
43.12%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.15%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.49%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.46%
|
Delaware Ivy Large Cap Growth Fund - Class Y | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy Mid Cap Growth Fund - Class R | CoStar Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Floor & Decor Holdings Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.68%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Trade Desk Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.54%
|
Delaware Ivy Mid Cap Growth Fund - Class R | MarketAxess Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Monolithic Power Systems [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.52%
|
Delaware Ivy Mid Cap Growth Fund - Class R | IDEXX Laboratories [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.31%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Pinterest Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.21%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Pool [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.17%
|
Delaware Ivy Mid Cap Growth Fund - Class R | HEICO Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.10%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Veeva Systems Class A [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.06%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
20.20%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.19%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.39%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
25.82%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
18.53%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.56%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.34%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.74%
|
Delaware Ivy Mid Cap Growth Fund - Class R | Real Estate Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.74%
|
Delaware Ivy Natural Resources Fund - Class I | Alcoa [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class I | Anglo American [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.18%
|
Delaware Ivy Natural Resources Fund - Class I | Newmont [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.66%
|
Delaware Ivy Natural Resources Fund - Class I | Shell [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.73%
|
Delaware Ivy Natural Resources Fund - Class I | CF Industries Holdings [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
5.55%
|
Delaware Ivy Natural Resources Fund - Class I | CRH [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class I | Schlumberger [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class I | Wheaton Precious Metals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.90%
|
Delaware Ivy Natural Resources Fund - Class I | Hudbay Minerals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.65%
|
Delaware Ivy Natural Resources Fund - Class I | Endeavour Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.52%
|
Delaware Ivy Natural Resources Fund - Class I | Oil & Gas Exploration & Production [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.51%
|
Delaware Ivy Natural Resources Fund - Class I | Golds [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.08%
|
Delaware Ivy Natural Resources Fund - Class I | Diversified Metals & Mining [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.72%
|
Delaware Ivy Natural Resources Fund - Class I | Fertilizers & Agricultural Chemicals [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.57%
|
Delaware Ivy Natural Resources Fund - Class I | Integrated Oil & Gas [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.45%
|
Delaware Ivy Natural Resources Fund - Class I | Construction Materials [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.65%
|
Delaware Ivy Natural Resources Fund - Class I | Oil & Gas Equipment & Services [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.00%
|
Delaware Ivy Natural Resources Fund - Class I | Forest Products [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.94%
|
Delaware Ivy Natural Resources Fund - Class I | Aluminum [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.62%
|
Delaware Ivy Natural Resources Fund - Class I | Copper [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.22%
|
Delaware Ivy International Core Equity Fund - Class R | Taiwan Semiconductor Manufacturing [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class R | MercadoLibre [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.37%
|
Delaware Ivy International Core Equity Fund - Class R | SAP [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.95%
|
Delaware Ivy International Core Equity Fund - Class R | Airbus [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.67%
|
Delaware Ivy International Core Equity Fund - Class R | KB Financial Group [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.57%
|
Delaware Ivy International Core Equity Fund - Class R | Thales [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.56%
|
Delaware Ivy International Core Equity Fund - Class R | Sea ADR [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.46%
|
Delaware Ivy International Core Equity Fund - Class R | Banco Bilbao Vizcaya Argentaria [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.40%
|
Delaware Ivy International Core Equity Fund - Class R | HDFC Bank [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.36%
|
Delaware Ivy International Core Equity Fund - Class R | Deutsche Telekom [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.27%
|
Delaware Ivy International Core Equity Fund - Class R | Energy Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
2.62%
|
Delaware Ivy International Core Equity Fund - Class R | Healthcare Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.13%
|
Delaware Ivy International Core Equity Fund - Class R | Financial Services Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
19.85%
|
Delaware Ivy International Core Equity Fund - Class R | Consumer Discretionary Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class R | Information Technology Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
14.08%
|
Delaware Ivy International Core Equity Fund - Class R | Industrial Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
15.30%
|
Delaware Ivy International Core Equity Fund - Class R | Materials Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
3.41%
|
Delaware Ivy International Core Equity Fund - Class R | Consumer Staples Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.98%
|
Delaware Ivy International Core Equity Fund - Class R | Communications Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
9.03%
|
Delaware Ivy International Core Equity Fund - Class R | Utilities Sector [Member] |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
1.36%
|
Delaware Ivy International Core Equity Fund - Class R | CHINA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
8.99%
|
Delaware Ivy International Core Equity Fund - Class R | INDIA |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.86%
|
Delaware Ivy International Core Equity Fund - Class R | TAIWAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.24%
|
Delaware Ivy International Core Equity Fund - Class R | KOREA, REPUBLIC OF |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.43%
|
Delaware Ivy International Core Equity Fund - Class R | BRAZIL |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
4.41%
|
Delaware Ivy International Core Equity Fund - Class R | FRANCE |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
12.31%
|
Delaware Ivy International Core Equity Fund - Class R | JAPAN |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.92%
|
Delaware Ivy International Core Equity Fund - Class R | GERMANY |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
11.12%
|
Delaware Ivy International Core Equity Fund - Class R | UNITED KINGDOM |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
7.85%
|
Delaware Ivy International Core Equity Fund - Class R | NETHERLANDS |
|
Holdings [Line Items] |
|
Percent of Net Asset Value |
6.82%
|