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Variable Interest Entities - Variable Interest Entities Property Asset Carrying Value by Assets and Maximum Exposure (Details) - USD ($)	Sep. 30, 2024	Dec. 31, 2023
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	$ 584,730,860	$ 579,009,953
Maximum Exposure to Loss	578,264,987	572,142,140
Mortgage Revenue Bonds Held In Trust [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	185,500,043	101,785,909
Maximum Exposure to Loss	179,022,565	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	1,997,271	13,488,560
Maximum Exposure to Loss	2,008,876	13,520,631
Governmental Issuer Loans Held in Trust [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	184,499,628	202,547,300
Maximum Exposure to Loss	184,499,628	202,547,300
Taxable Governmental Issuer Loans (Reported Within Other Assets) [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	3,157,672	13,573,000
Maximum Exposure to Loss	3,157,672	13,573,000
Property Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	40,832,992	107,511,750
Maximum Exposure to Loss	40,832,992	107,511,750
Investments in Unconsolidated Entities [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	168,743,254	136,653,246
Maximum Exposure to Loss	$ 168,743,254	$ 136,653,246

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Difference between the carrying amount of assets and liabilities in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the variable interest entity (VIE) and the reporting entity's maximum exposure to loss as a result of its involvement with the VIE, where the reporting entity is not the VIE's primary beneficiary.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-4

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 810
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-Section 50
-Paragraph 6
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