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Variable Interest Entities - Variable Interest Entities Property Asset Carrying Value by Assets and Maximum Exposure (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	$ 539,337,152	$ 651,341,433
Maximum Exposure to Loss	537,077,313	648,112,999
Mortgage Revenue Bonds [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	182,618,843	207,170,395
Maximum Exposure to Loss	180,373,829	203,929,806
Taxable Mortgage Revenue Bonds (Reported Within Other Assets) [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	9,815,618	4,393,869
Maximum Exposure to Loss	9,800,793	4,406,024
Governmental Issuer Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	109,757,835	203,999,628
Maximum Exposure to Loss	109,757,835	203,999,628
Taxable Governmental Issuer Loans (Reported Within Other Assets) [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	43,879,465	14,157,672
Maximum Exposure to Loss	43,879,465	14,157,672
Property Loans [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	39,824,000	42,210,000
Maximum Exposure to Loss	39,824,000	42,210,000
Investments in Unconsolidated Entities [Member]
Accounts Notes And Loans Receivable [Line Items]
Carrying Value	153,441,391	179,409,869
Maximum Exposure to Loss	$ 153,441,391	$ 179,409,869

X

- 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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- Definition

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
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (c)
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-URI https://asc.fasb.org/1943274/2147481203/810-10-50-6

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-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481203/810-10-50-4

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