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Mortgage Revenue Bonds - Schedule of Percentage of MRBs Principal Outstanding (Details)	Dec. 31, 2024	Dec. 31, 2023
TX [Member]
Schedule Of Available For Sale Securities [Line Items]
Percentage of available for sale securities by location	25.00%	32.00%
CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Percentage of available for sale securities by location	30.00%	25.00%
SC [Member]
Schedule Of Available For Sale Securities [Line Items]
Percentage of available for sale securities by location	18.00%	21.00%

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Percentage of Available for Sale Securities by Location

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