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Income Taxes - Schedule of Excise tax (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024
Income Tax Disclosure [Abstract] |  |
Excise tax expense | $ (110) | $ 103
Excise tax refund | $ 100 |

X
- Definition Represents the expense incurred during the period for excise taxes. + References No definition available. + Details
Name: | mitt_ExciseTaxExpenses
Namespace Prefix: | mitt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Excise Tax Refund, Receivable + References No definition available. + Details
Name: | mitt_ExciseTaxRefundReceivable
Namespace Prefix: | mitt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration