| Form N-CSR Cover | 12 Months Ended |
| Sep. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSR |
| 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 | Sep. 30, 2024 |
| Shareholder Report | 7 Months Ended | 12 Months Ended |
| Sep. 30, 2024 USD ($) Holding | Sep. 30, 2024 USD ($) Holding | |
| Shareholder Report [Line Items] | ||
| Document Type | N-CSR | |
| 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 | Sep. 30, 2024 | |
| C000248488 | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Cullen Enhanced Equity Income ETF | |
| Class Name | Cullen Enhanced Equity Income ETF | |
| Trading Symbol | DIVP | |
| Security Exchange Name | NYSEArca | |
| Annual or Semi-Annual Statement [Text Block] | This annual shareholder report contains important information about Cullen Enhanced Equity Income ETF (the "Fund") for the period from March 6, 2024 (commencement of operations) to September 30, 2024. | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.cullenfunds.com/US/P/ETF/DIVP/#. You can also request this information by contacting us at 877.485.8586. | |
| Additional Information Phone Number | 877.485.8586 | |
| Additional Information Website | https://www.cullenfunds.com/US/P/ETF/DIVP/# | |
| Expenses [Text Block] | What were the Fund costs for the period? (based on a hypothetical $10,000 investment) Fund Name Costs of a $10,000 investment Footnote Reference Costs paid as a percentage of a $10,000 investment Cullen Enhanced Equity Income ETF $33 0.55% Footnote Description Footnote * Costs shown not annualized. If the Fund had been open for the full fiscal year, costs shown would have been higher for the period ended. | |
| Expenses Paid, Amount | $ 33 | |
| Expense Ratio, Percent | 0.55% | |
| Performance Past Does Not Indicate Future [Text] | Past performance is not indicative of future performance. | |
| Average Annual Return [Table Text Block] | Average Annual Total Returns as of September 30, 2024 Fund/Index Name Cumulative Since Inception Cullen Enhanced Equity Income ETF 10.88% S&P 500 ® 13.76% CBOE S&P 500 Buy/Write Index (USD) 9.49% | |
| No Deduction of Taxes [Text Block] | The table and graph presented above do not reflect the deduction of taxes a shareholder would pay on Fund distributions or the redemption of Fund shares. | |
| AssetsNet | $ 10,039,703 | $ 10,039,703 |
| Holdings Count | Holding | 40 | 40 |
| Advisory Fees Paid, Amount | $ 23,575 | |
| InvestmentCompanyPortfolioTurnover | 93% | |
| Holdings [Text Block] | Asset Weightings Footnote Reference Value Value Derivative Contracts (Net) - Consumer Discretionary 2.0% Materials 2.1% Information Technology 6.8% Exchange Traded Funds 7.0% Energy 7.0% Real Estate 7.1% Utilities 7.3% Industrials 7.4% Communication Services 9.6% Financials 13.2% Health Care 14.2% Consumer Staples 15.4% Footnote Description Footnote * Percentages are calculated based on total net assets. | |
| Material Fund Change [Text Block] | Material Fund Changes There were no material changes during the reporting period. | |
| Updated Prospectus Phone Number | 877.485.8586 | |
| Updated Prospectus Web Address | https://www.cullenfunds.com/US/P/ETF/DIVP/# |
| Shareholder Report, Line Graph (Details) - USD ($) | Mar. 06, 2024 | Sep. 30, 2024 | Aug. 31, 2024 | Jul. 31, 2024 | Jun. 30, 2024 | May 31, 2024 | Apr. 30, 2024 | Mar. 31, 2024 |
| C000248488 | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | Cullen Enhanced Equity Income ETF | |||||||
| S&P 500® Index (TR) | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | ®</sup> Index (TR)" id="sjs-B7">S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®</sup> Index (TR) | |||||||
| Account Value | $ 10,000 | $ 11,376 | $ 11,139 | $ 10,875 | $ 10,744 | $ 10,372 | $ 9,882 | $ 10,303 |
| CBOE S&P 500 Buy/Write Index (USD) | ||||||||
| Account Value [Line Items] | ||||||||
| Line Graph and Table Measure Name | CBOE S&P 500 Buy/Write Index (USD) | |||||||
| Account Value | $ 10,000 | $ 10,949 | $ 10,798 | $ 10,492 | $ 10,374 | $ 10,194 | $ 10,084 | $ 10,223 |
| Shareholder Report, Average Annual Return (Details) | 7 Months Ended | |
| Mar. 06, 2024 | Sep. 30, 2024 | |
| C000248488 | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | Cullen Enhanced Equity Income ETF | |
| Without Sales Load [Member] | C000248488 | ||
| Average Annual Return [Line Items] | ||
| Average Annual Return, Percent | 10.88% | |
| S&P 500® Index (TR) | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | ®</sup> Index (TR)" id="sjs-B11">S&P 500<sup style="box-sizing: border-box; color: rgb(0, 0, 0); display: inline; flex-wrap: nowrap; font-size: 12px; font-weight: 700; grid-area: auto; line-height: 0px; margin: 0px; overflow: visible; position: relative; text-align: center;">®</sup> Index (TR) | |
| Average Annual Return, Percent | 13.76% | |
| CBOE S&P 500 Buy/Write Index (USD) | ||
| Average Annual Return [Line Items] | ||
| Line Graph and Table Measure Name | CBOE S&P 500 Buy/Write Index (USD) | |
| Average Annual Return, Percent | 9.49% |
| Shareholder Report, Holdings (Details) - C000248488 | Sep. 30, 2024 |
| Cisco Systems8199073 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4.10% |
| VICI Properties8199137 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4% |
| Medtronic PLC8199110 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 4% |
| EOG Resources8199084 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.90% |
| Duke Energy8199082 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.70% |
| Bristol-Myers Squibb8199070 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.60% |
| PPL8199122 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.50% |
| Verizon Communications8199136 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.50% |
| Conagra Brands8199079 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.50% |
| Merck and Company Inc8199112 | |
| Holdings [Line Items] | |
| Percent of Total Investments | 3.50% |
| Other | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | (0.10%) |
| Consumer Discretionary | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2% |
| Materials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 2.10% |
| Information Technology | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 6.80% |
| Exchange Traded Fund | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Energy | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7% |
| Real Estate | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.10% |
| Utilities | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.30% |
| Industrials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.40% |
| Communication Services | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 9.60% |
| Financials | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 13.20% |
| Health Care | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 14.20% |
| Consumer Staples | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 15.40% |
