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Fair Value of Financial Instruments - Summary of Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Available-for-sale Securities [Line Items] |  |
Total Assets at Fair Value, net | $ 823,569,267 | $ 798,246,109
Fair Value, Inputs, Level 2 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total Assets at Fair Value, net | 7,199,198 |
Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total Assets at Fair Value, net | 816,370,069 | 798,246,109
Mortgage Revenue Bonds Held In Trust [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 763,208,945 | 750,934,848
Mortgage Revenue Bonds Held In Trust [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 763,208,945 | 750,934,848
Mortgage Revenue Bonds [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 36,199,059 | 42,574,996
Mortgage Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 36,199,059 | 42,574,996
Bond Purchase Commitment [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 98,929 | 964,404
Bond Purchase Commitment [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 98,929 | 964,404
Taxable Mortgage Revenue Bonds [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 16,531,896 | 3,428,443
Taxable Mortgage Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 16,531,896 | 3,428,443
Derivative Financial Instruments (Reported within Other Assets) [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 7,530,438 | 343,418
Derivative Financial Instruments (Reported within Other Assets) [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 7,199,198 |
Derivative Financial Instruments (Reported within Other Assets) [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | $ 331,240 | $ 343,418

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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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 No definition available. + Details
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