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Mortgage Revenue Bonds - Schedule of Investments in MRBs (Parenthetical) (Details) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items]
Remaining partnership commitment fund amount	$ 344,379,001
Mortgage Revenue Bond [Member] | Meadow Valley [Member]
Schedule Of Available For Sale Securities [Line Items]
Remaining partnership commitment fund amount	$ 27,600,000	$ 39,300,000

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Remaining partnership's commitments amount.

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