v3.26.1
Shareholder Report
 6 Months Ended
Jun. 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 Jun. 30, 2026
C000249064  
Shareholder Report [Line Items]  
Fund Name Vontobel International Equity Fund
Class Name Class A Shares
Trading Symbol VNIAX
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 Vontobel International Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 51
Expense Ratio, Percent 1.00%
AssetsNet $ 109,252,023
Holdings Count | Holding 42
Advisory Fees Paid, Amount $ 55,107
InvestmentCompanyPortfolioTurnover 164.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000249063  
Shareholder Report [Line Items]  
Fund Name Vontobel International Equity Fund
Class Name Class Y Shares
Trading Symbol VNIYX
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 Y Shares of the Vontobel International Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 38
Expense Ratio, Percent 0.74%
AssetsNet $ 109,252,023
Holdings Count | Holding 42
Advisory Fees Paid, Amount $ 55,107
InvestmentCompanyPortfolioTurnover 164.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000249065  
Shareholder Report [Line Items]  
Fund Name Vontobel International Equity Fund
Class Name Class Institutional Shares
Trading Symbol VNIIX
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 Institutional Shares of the Vontobel International Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 31
Expense Ratio, Percent 0.60%
AssetsNet $ 109,252,023
Holdings Count | Holding 42
Advisory Fees Paid, Amount $ 55,107
InvestmentCompanyPortfolioTurnover 164.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000251720  
Shareholder Report [Line Items]  
Fund Name Vontobel Global Equity Fund
Class Name Class A Shares
Trading Symbol VNGAX
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 Vontobel Global Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 49
Expense Ratio, Percent 0.98% [1]
AssetsNet $ 18,196,415
Holdings Count | Holding 44
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 92.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000251719  
Shareholder Report [Line Items]  
Fund Name Vontobel Global Equity Fund
Class Name Class Y Shares
Trading Symbol VNGYX
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 Y Shares of the Vontobel Global Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 0
Expense Ratio, Percent 0.00% [2]
AssetsNet $ 18,196,415
Holdings Count | Holding 44
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 92.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000251721  
Shareholder Report [Line Items]  
Fund Name Vontobel Global Equity Fund
Class Name Class Institutional Shares
Trading Symbol VNGIX
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 Institutional Shares of the Vontobel Global Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 29
Expense Ratio, Percent 0.58%
AssetsNet $ 18,196,415
Holdings Count | Holding 44
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 92.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000253849  
Shareholder Report [Line Items]  
Fund Name Vontobel U.S. Equity Fund
Class Name A Shares
Trading Symbol VNUAX
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 A Shares of the Vontobel U.S. Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 43
Expense Ratio, Percent 0.90%
AssetsNet $ 2,221,466
Holdings Count | Holding 41
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 54.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000253850  
Shareholder Report [Line Items]  
Fund Name Vontobel U.S. Equity Fund
Class Name Y Shares
Trading Symbol VNUYX
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 Y Shares of the Vontobel U.S. Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 28
Expense Ratio, Percent 0.58%
AssetsNet $ 2,221,466
Holdings Count | Holding 41
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 54.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
C000256674  
Shareholder Report [Line Items]  
Fund Name Vontobel U.S. Equity Fund
Class Name Institutional Shares
Trading Symbol VNUIX
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 Institutional Shares of the Vontobel U.S. Equity Fund (the "Fund") for the period from January 1, 2026 to June 30, 2026. You can find additional information about the Fund at https://am.vontobel.com/en/strategies/mutual-funds. You can also request this information by contacting us at 877-734-6278.
Additional Information Phone Number 877-734-6278
Additional Information Website https://am.vontobel.com/en/strategies/mutual-funds
Expenses Paid, Amount $ 24
Expense Ratio, Percent 0.50%
AssetsNet $ 2,221,466
Holdings Count | Holding 41
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 54.00%
Updated Prospectus Phone Number 877-734-6278
Updated Prospectus Web Address https://am.vontobel.com/en/strategies/mutual-funds
[1] The ratio appears lower due to the relative net asset value of A Shares. Prospectively, it is expected that the ratio of net expenses to average net assets would be approximately 0.98% (1.49% excluding waiver).
[2] The ratio appears lower due to the relative net asset value of Y Shares. Prospectively, it is expected that the ratio of net expenses to average net assets would be approximately 0.73% (1.24% excluding waiver).