Variable Interest Entities - Variable Interest Entities Property Asset Carrying Value by Assets and Maximum Exposure (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	$ 556,120,622	$ 579,009,953
Maximum Exposure to Loss	552,013,918	572,142,140
Mortgage Revenue Bonds Held In Trust [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	157,707,267	101,785,909
Maximum Exposure to Loss	153,571,233	95,186,213
Mortgage Revenue Bonds [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	0	3,450,188
Maximum Exposure to Loss	0	3,150,000
Taxable mortgage revenue bonds (reported within other assets) [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	2,982,399	13,488,560
Maximum Exposure to Loss	3,011,729	13,520,631
Governmental Issuer Loans Held in Trust [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	194,157,300	202,547,300
Maximum Exposure to Loss	194,157,300	202,547,300
Taxable Governmental Issuer Loans (Reported Within Other Assets) [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	3,000,000	13,573,000
Maximum Exposure to Loss	3,000,000	13,573,000
Property Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	40,332,992	107,511,750
Maximum Exposure to Loss	40,332,992	107,511,750
Investments in Unconsolidated Entities [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	157,940,664	136,653,246
Maximum Exposure to Loss	$ 157,940,664	$ 136,653,246