Mortgage Revenue Bonds - Schedule of Investments in MRBs (Parenthetical) (Details) - USD ($)	Dec. 31, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Remaining partnership commitment fund amount	$ 366,418,843
Mortgage Revenue Bond [Member] \| Meadow Valley [Member]
Schedule Of Available For Sale Securities [Line Items]
Remaining partnership commitment fund amount	$ 23,200,000	$ 39,300,000

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