v3.26.1
Shareholder Report
 6 Months Ended
Apr. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSRS
Amendment Flag false
Registrant Name Advisors' Inner Circle Fund II
Entity Central Index Key 0000890540
Entity Investment Company Type N-1A
Document Period End Date Apr. 30, 2026
C000132088  
Shareholder Report [Line Items]  
Fund Name Kopernik Global All-Cap Fund
Class Name Class A Shares
Trading Symbol KGGAX
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 Class A Shares of the Kopernik Global All-Cap Fund (the "Fund") for the period from November 1, 2025 to April 30, 2026. You can find additional information about the Fund at https://www.kopernikglobal.com/content/mutual-fund-kopernik-global-all-cap-fund. You can also request this information by contacting us at 1-855-887-4544.
Additional Information Phone Number 1-855-887-4544
Additional Information Website https://www.kopernikglobal.com/content/mutual-fund-kopernik-global-all-cap-fund
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
Kopernik Global All-Cap Fund, Class A Shares
$68
1.24%
Expenses Paid, Amount $ 68
Expense Ratio, Percent 1.24%
AssetsNet $ 3,436,932,706
Holdings Count | Holding 148
Advisory Fees Paid, Amount $ 14,286,045
InvestmentCompanyPortfolioTurnover 27.00%
Holdings [Text Block]

Asset/Country WeightingsFootnote Reference*

Holdings Chart
Table Summary
Value
Value
Purchased Options
0.2%
Other Countries
14.3%
Russia
2.9%
Germany
3.2%
France
3.2%
Brazil
3.3%
Australia
3.6%
China
4.0%
Japan
4.1%
United Kingdom
4.7%
South Africa
5.8%
United States
10.5%
South Korea
12.5%
Canada
12.7%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Valterra Platinum, Ltd.
3.4%
LG Uplus Corp. Footnote Reference**
2.9%
Range Resources Corp.
2.6%
K+S AGFootnote Reference**
2.4%
Golden Agri-Resources, Ltd. Footnote Reference**
2.0%
LG Corp.
1.8%
Impala Platinum Holdings, Ltd.
1.8%
Seabridge Gold, Inc. (USD) Footnote Reference**
1.7%
CK Hutchison Holdings, Ltd.
1.6%
Centene
1.5%
FootnoteDescription
Footnote**
Affiliated Investment.
Footnote(A)
Short-Term Investments are not shown in the top ten chart.
Updated Prospectus Phone Number 1-855-887-4544
Updated Prospectus Web Address https://www.kopernikglobal.com/content/mutual-fund-kopernik-global-all-cap-fund
C000132089  
Shareholder Report [Line Items]  
Fund Name Kopernik Global All-Cap Fund
Class Name Class I Shares
Trading Symbol KGGIX
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 Class I Shares of the Kopernik Global All-Cap Fund (the "Fund") for the period from November 1, 2025 to April 30, 2026. You can find additional information about the Fund at https://www.kopernikglobal.com/content/mutual-fund-kopernik-global-all-cap-fund. You can also request this information by contacting us at 1-855-887-4544.
Additional Information Phone Number 1-855-887-4544
Additional Information Website https://www.kopernikglobal.com/content/mutual-fund-kopernik-global-all-cap-fund
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
Kopernik Global All-Cap Fund, Class I Shares
$54
0.99%
Expenses Paid, Amount $ 54
Expense Ratio, Percent 0.99%
AssetsNet $ 3,436,932,706
Holdings Count | Holding 148
Advisory Fees Paid, Amount $ 14,286,045
InvestmentCompanyPortfolioTurnover 27.00%
Holdings [Text Block]

Asset/Country WeightingsFootnote Reference*

Holdings Chart
Table Summary
Value
Value
Purchased Options
0.2%
Other Countries
14.3%
Russia
2.9%
Germany
3.2%
France
3.2%
Brazil
3.3%
Australia
3.6%
China
4.0%
Japan
4.1%
United Kingdom
4.7%
South Africa
5.8%
United States
10.5%
South Korea
12.5%
Canada
12.7%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Valterra Platinum, Ltd.
3.4%
LG Uplus Corp. Footnote Reference**
2.9%
Range Resources Corp.
2.6%
K+S AGFootnote Reference**
2.4%
Golden Agri-Resources, Ltd. Footnote Reference**
2.0%
LG Corp.
1.8%
Impala Platinum Holdings, Ltd.
1.8%
Seabridge Gold, Inc. (USD) Footnote Reference**
1.7%
CK Hutchison Holdings, Ltd.
1.6%
Centene
1.5%
FootnoteDescription
Footnote**
Affiliated Investment.
Footnote(A)
Short-Term Investments are not shown in the top ten chart.
Updated Prospectus Phone Number 1-855-887-4544
Updated Prospectus Web Address https://www.kopernikglobal.com/content/mutual-fund-kopernik-global-all-cap-fund
C000157593  
Shareholder Report [Line Items]  
Fund Name Kopernik International Fund
Class Name Class I Shares
Trading Symbol KGIIX
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 Class I Shares of the Kopernik International Fund (the "Fund") for the period from November 1, 2025 to April 30, 2026. You can find additional information about the Fund at https://www.kopernikglobal.com/content/mutual-fund-kopernik-international-fund. You can also request this information by contacting us at 1-855-887-4544.
Additional Information Phone Number 1-855-887-4544
Additional Information Website https://www.kopernikglobal.com/content/mutual-fund-kopernik-international-fund
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
Kopernik International Fund, Class I Shares
$54
0.99%
Expenses Paid, Amount $ 54
Expense Ratio, Percent 0.99%
AssetsNet $ 952,596,711
Holdings Count | Holding 84
Advisory Fees Paid, Amount $ 3,464,012
InvestmentCompanyPortfolioTurnover 28.00%
Holdings [Text Block]

Asset/Country WeightingsFootnote Reference*

Holdings Chart
Table Summary
Value
Value
Purchased Options
0.1%
Other Countries
10.1%
Singapore
1.9%
Hong Kong
2.2%
Germany
2.7%
Australia
2.8%
Brazil
2.9%
Japan
3.0%
China
3.6%
Russia
4.3%
United Kingdom
5.7%
South Africa
6.2%
Canada
8.7%
South Korea
9.5%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Valterra Platinum, Ltd.
3.7%
Glencore PLC
2.8%
K+S AGFootnote Reference**
2.7%
Seabridge Gold, Inc. Footnote Reference**
2.7%
LG Uplus Corp. Footnote Reference**
2.7%
Golden Agri-Resources, Ltd. Footnote Reference**
1.9%
Impala Platinum Holdings, Ltd.
1.9%
LG Corp.
1.7%
Nutrien, Ltd.
1.4%
Paladin Energy, Ltd.
1.4%
FootnoteDescription
Footnote**
Affiliated Investment.
Footnote(A)
Short-Term Investments are not shown in the top ten chart.
Updated Prospectus Phone Number 1-855-887-4544
Updated Prospectus Web Address https://www.kopernikglobal.com/content/mutual-fund-kopernik-international-fund
C000157592  
Shareholder Report [Line Items]  
Fund Name Kopernik International Fund
Class Name Investor Shares
Trading Symbol KGIRX
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 Investor Shares of the Kopernik International Fund (the "Fund") for the period from November 1, 2025 to April 30, 2026. You can find additional information about the Fund at https://www.kopernikglobal.com/content/mutual-fund-kopernik-international-fund. You can also request this information by contacting us at 1-855-887-4544.
Additional Information Phone Number 1-855-887-4544
Additional Information Website https://www.kopernikglobal.com/content/mutual-fund-kopernik-international-fund
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
Kopernik International Fund, Investor Shares
$67
1.24%
Expenses Paid, Amount $ 67
Expense Ratio, Percent 1.24%
AssetsNet $ 952,596,711
Holdings Count | Holding 84
Advisory Fees Paid, Amount $ 3,464,012
InvestmentCompanyPortfolioTurnover 28.00%
Holdings [Text Block]

Asset/Country WeightingsFootnote Reference*

Holdings Chart
Table Summary
Value
Value
Purchased Options
0.1%
Other Countries
10.1%
Singapore
1.9%
Hong Kong
2.2%
Germany
2.7%
Australia
2.8%
Brazil
2.9%
Japan
3.0%
China
3.6%
Russia
4.3%
United Kingdom
5.7%
South Africa
6.2%
Canada
8.7%
South Korea
9.5%
FootnoteDescription
Footnote*
Percentages are calculated based on total net assets.

Top Ten Holdings

Table Summary
Holding Name
Percentage of Total Net AssetsFootnote Reference(A)
Valterra Platinum, Ltd.
3.7%
Glencore PLC
2.8%
K+S AGFootnote Reference**
2.7%
Seabridge Gold, Inc. Footnote Reference**
2.7%
LG Uplus Corp. Footnote Reference**
2.7%
Golden Agri-Resources, Ltd. Footnote Reference**
1.9%
Impala Platinum Holdings, Ltd.
1.9%
LG Corp.
1.7%
Nutrien, Ltd.
1.4%
Paladin Energy, Ltd.
1.4%
FootnoteDescription
Footnote**
Affiliated Investment.
Footnote(A)
Short-Term Investments are not shown in the top ten chart.
Updated Prospectus Phone Number 1-855-887-4544
Updated Prospectus Web Address https://www.kopernikglobal.com/content/mutual-fund-kopernik-international-fund