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Income Taxes (Details) | Sep. 30, 2024 entity
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Income Tax Disclosure [Abstract] |
Number of taxable subsidiaries | 2

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- Definition Number of taxable subsidiaries + References No definition available. + Details
Name: | ajx_NumberOfTaxableSubsidiaries
Namespace Prefix: | ajx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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