Mortgage Revenue Bonds - Schedule of Percentage of MRBs Principal Outstanding (Details)	Dec. 31, 2023	Dec. 31, 2022
TX [Member]
Schedule Of Available For Sale Securities [Line Items]
Percentage of available for sale securities by location	32.00%	37.00%
CA [Member]
Schedule Of Available For Sale Securities [Line Items]
Percentage of available for sale securities by location	25.00%	26.00%
SC [Member]
Schedule Of Available For Sale Securities [Line Items]
Percentage of available for sale securities by location	21.00%	17.00%

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