Mortgage Revenue Bonds - Schedule of MRBs Acquisitions (Parenthetical) (Details) - Mortgage Revenue Bonds [Member] - Series M [Member] - Agape Helotes [Member] - Helotes, TX [Member] $ in Thousands	Jun. 30, 2025 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Principal acquired at discount	$ 514
Principal acquired discount percentage	8.50%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details