| Form N-CSR Cover | 6 Months Ended |
| Sep. 30, 2024 | |
| Shareholder Report [Line Items] | |
| Document Type | N-CSRS |
| Amendment Flag | false |
| Registrant Name | INVESTMENT MANAGERS SERIES TRUST II |
| Entity Central Index Key | 0001587982 |
| Entity Investment Company Type | N-1A |
| Document Period End Date | Sep. 30, 2024 |
| Shareholder Report | 6 Months Ended | |
| Sep. 30, 2024 USD ($) Holding | ||
| Shareholder Report [Line Items] | ||
| Document Type | N-CSRS | |
| Amendment Flag | false | |
| Registrant Name | INVESTMENT MANAGERS SERIES TRUST II | |
| Entity Central Index Key | 0001587982 | |
| Entity Investment Company Type | N-1A | |
| Document Period End Date | Sep. 30, 2024 | |
| C000236514 [Member] | ||
| Shareholder Report [Line Items] | ||
| Fund Name | Alternative AccessFirst PriorityCLO Bond ETF | |
| Class Name | Alternative AccessFirst PriorityCLO Bond ETF | |
| Trading Symbol | AAA | |
| Annual or Semi-Annual Statement [Text Block] | This semi-annual shareholder report contains important information about the Alternative Access First Priority CLO Bond ETF (“Fund”) for the period of April 1, 2024 to September 30, 2024. | |
| Shareholder Report Annual or Semi-Annual | semi-annual shareholder report | |
| Additional Information [Text Block] | You can find additional information about the Fund at https://www.aafetfs.com/ | |
| Additional Information Phone Number | (303) 623-2577 | |
| Additional Information Website | https://www.aafetfs.com/ | |
| Expenses [Text Block] | Fund Expenses (Based on a hypothetical $10,000 investment) Fund (Class) Costs of a $10,000 investment Costs paid as a percentage Alternative Access First Priority CLO Bond ETF $ 0.25 % 1 1 Annualized. | |
| Expenses Paid, Amount | $ 13 | |
| Expense Ratio, Percent | 0.25% | [1] |
| Net Assets | $ 22,448,179 | |
| Holdings Count | Holding | 42 | |
| Investment Company Portfolio Turnover | 19% | |
| Additional Fund Statistics [Text Block] | Key Fund Statistics The following table outlines key fund statistics that you should pay attention to. Fund net assets $ Total number of portfolio holdings 42 Portfolio turnover rate as of the end of the reporting period 19 % | |
| Holdings [Text Block] | Graphical Representation of Holdings The tables below show the investment makeup of the Fund, representing percentage of the total net asset of the Fund. The Top Ten Holdings exclude short-term holdings, if any. Top Ten Holdings Wellfleet CLO Ltd., Series 2024-1A, 6.912%, 7/18/2037 4.5 % Rockford Tower CLO Ltd., Series 2024-1A, 6.937%, 4/20/2037 4.5 % CIFC Funding Ltd., Series 2019-6A, 6.778%, 7/18/2037 4.5 % Neuberger Berman Loan Advisers CLO XXXIX Ltd., Series 2020-39A, 6.812%, 4/20/2038 4.5 % LCM XLI Ltd., Series 41A, 6.761%, 4/15/2036 4.5 % Regatta VI Funding Ltd., Series 2016-1A, 6.704%, 4/20/2034 4.0 % LCM XXXII Ltd., Series 32A, 6.654%, 7/20/2034 4.0 % Battalion CLO X Ltd., Series 2016-10A, 6.715%, 1/25/2035 3.9 % Symphony CLO XXXV Ltd., Series 2022-35A, 6.983%, 10/24/2036 3.6 % Voya CLO Ltd., Series 2022-3A, 6.982%, 10/20/2036 3.4 % Asset Allocation | |
| Largest Holdings [Text Block] | Top Ten Holdings Wellfleet CLO Ltd., Series 2024-1A, 6.912%, 7/18/2037 4.5 % Rockford Tower CLO Ltd., Series 2024-1A, 6.937%, 4/20/2037 4.5 % CIFC Funding Ltd., Series 2019-6A, 6.778%, 7/18/2037 4.5 % Neuberger Berman Loan Advisers CLO XXXIX Ltd., Series 2020-39A, 6.812%, 4/20/2038 4.5 % LCM XLI Ltd., Series 41A, 6.761%, 4/15/2036 4.5 % Regatta VI Funding Ltd., Series 2016-1A, 6.704%, 4/20/2034 4.0 % LCM XXXII Ltd., Series 32A, 6.654%, 7/20/2034 4.0 % Battalion CLO X Ltd., Series 2016-10A, 6.715%, 1/25/2035 3.9 % Symphony CLO XXXV Ltd., Series 2022-35A, 6.983%, 10/24/2036 3.6 % Voya CLO Ltd., Series 2022-3A, 6.982%, 10/20/2036 3.4 % | |
| [1]Annualized. | ||
| Shareholder Report, Holdings (Details) - C000236514 [Member] | Sep. 30, 2024 |
| Wellfleet CLO Ltd Series 2024 1A 6 912 7 18 2037 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| Rockford Tower CLO Ltd Series 2024 1A 6 937 4 20 2037 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| CIFC Funding Ltd Series 2019 6A 6 778 7 18 2037 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| Neuberger Berman Loan Advisers CLO XXXIX Ltd Series 2020 39A 6 812 4 20 2038 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| LCM XLI Ltd Series 41A 6 761 4 15 2036 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4.50% |
| Regatta VI Funding Ltd Series 2016 1A 6 704 4 20 2034 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| LCM XXXII Ltd Series 32A 6 654 7 20 2034 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 4% |
| Battalion CLO X Ltd Series 2016 10A 6 715 1 25 2035 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.90% |
| Symphony CLO XXXV Ltd Series 2022 35A 6 983 10 24 2036 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.60% |
| Voya CLO Ltd Series 2022 3A 6 982 10 20 2036 [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 3.40% |
| Collateralized Mortgage Obligations [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 92.70% |
| Other assets in excess of liabilities [Member] | |
| Holdings [Line Items] | |
| Percent of Net Asset Value | 7.30% |
