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Fair Value of Financial Instruments - Summary of Assets Measured at Fair Value on Recurring Basis (Details) - USD ($) | Jun. 30, 2023 | Dec. 31, 2022
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Schedule of Available-for-sale Securities [Line Items] |  |
Total Assets at Fair Value, net | $ 938,498,817 | $ 823,569,267
Fair Value Inputs Level 2 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total Assets at Fair Value, net | 9,797,696 | 7,199,198
Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Total Assets at Fair Value, net | 928,701,121 | 816,370,069
Mortgage Revenue Bonds Held In Trust [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 885,677,292 | 763,208,945
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 | 885,677,292 | 763,208,945
Mortgage Revenue Bonds [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 20,286,687 | 36,199,059
Mortgage Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 20,286,687 | 36,199,059
Bond Purchase Commitment [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 138,100 | 98,929
Bond Purchase Commitment [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 138,100 | 98,929
Taxable Mortgage Revenue Bonds [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 22,297,418 | 16,531,896
Taxable Mortgage Revenue Bonds [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 22,297,418 | 16,531,896
Derivative Instruments (Reported within Other Assets) [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 10,099,320 | 7,530,438
Derivative Instruments (Reported within Other Assets) [Member] | Fair Value Inputs Level 2 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | 9,797,696 | 7,199,198
Derivative Instruments (Reported within Other Assets) [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets at Fair Value | $ 301,624 | $ 331,240

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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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