v3.26.1
Shareholder Report
 6 Months Ended
Mar. 31, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Advisors' Inner Circle Fund III
Entity Central Index Key 0001593547
Entity Investment Company Type N-1A
Document Period End Date Mar. 31, 2026
C000222781  
Shareholder Report [Line Items]  
Fund Name Democratic Large Cap Core ETF
Class Name Democratic Large Cap Core ETF
Trading Symbol DEMZ
Security Exchange Name NASDAQ
Annual or Semi-Annual Statement [Text Block] Semi-Annual Shareholder Report
Shareholder Report Annual or Semi-Annual semi-annual shareholder report
Additional Information [Text Block] This semi-annual shareholder report contains important information about the Democratic Large Cap Core ETF (the "Fund") for the period from October 1, 2025 to March 31, 2026. You can find additional information about the Fund at https://demz.fund/performance. You can also request this information by contacting us at (888)-750-DEMZ (3369).
Additional Information Phone Number (888)-750-DEMZ (3369)
Additional Information Website https://demz.fund/performance
Expenses [Text Block]

What were the Fund costs for the last six months?

(based on a hypothetical $10,000 investment) 

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Democratic Large Cap Core ETF
$22
0.45%
Expenses Paid, Amount $ 22
Expense Ratio, Percent 0.45%
AssetsNet $ 54,309,688
Holdings Count | Holding 45
Advisory Fees Paid, Amount $ 117,695
InvestmentCompanyPortfolioTurnover 19.00%
Additional Fund Statistics [Text Block]

Key Fund Statistics as of March 31, 2026

Table Summary
Total Net Assets
Number of Holdings
Total Advisory Fees Paid
Portfolio Turnover Rate
$54,309,688
45
$117,695
19%
Holdings [Text Block]

Sector WeightingsFootnote Reference*

Holdings Chart
Table Summary
Value
Value
Materials
3.2%
Real Estate
3.7%
Consumer Discretionary
5.7%
Consumer Staples
6.1%
Health Care
6.2%
Financials
9.1%
Industrials
13.3%
Communication Services
13.6%
Information Technology
38.6%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.
Largest Holdings [Text Block]

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net Assets
Apple
5.1%
NVIDIA
4.9%
Microsoft
4.8%
Costco Wholesale
4.6%
Loews
4.6%
Lam Research
4.3%
KLA
4.3%
Amphenol, Cl A
4.3%
Nordson
4.0%
Xylem
3.5%
Material Fund Change [Text Block]

Material Fund Changes

There were no material changes during the reporting period.
Updated Prospectus Phone Number (888)-750-DEMZ (3369)
Updated Prospectus Web Address https://demz.fund/performance