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Mortgage Revenue Bonds - Schedule of Investments in MRBs (Details) - Mortgage Revenue Bonds [Member] - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | $ 994,958,009 |  | $ 869,454,974 |
Cumulative Unrealized Gain |  | 35,493,084 |  | 62,262,434 |
Cumulative Unrealized Loss |  | (3,967,297) |  | (1,042,113) |
Estimated Fair Value |  | 1,026,483,796 |  | 930,675,295 |
The Safford [Member] | Series A [Member] | AZ [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 37,435,466 | [1] | 7,667,299 | [2]
Cumulative Unrealized Gain |  | 1,523,170 | [1] | 2,717,033 | [2]
Estimated Fair Value |  | 38,958,636 | [1] | 10,384,332 | [2]
40rty on Colony - Series P [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 5,962,217 | [1] | 5,964,008 | [2]
Cumulative Unrealized Gain |  | 459,328 | [1] | 739,204 | [2]
Estimated Fair Value |  | 6,421,545 | [1] | 6,703,212 | [2]
CCBA Senior Garden Apartments [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,720,209 | [3] | 3,757,268 |
Cumulative Unrealized Gain | [2] |  |  | 158,840 |
Cumulative Unrealized Loss | [3] | (58,814) |  |  |
Estimated Fair Value |  | 3,661,395 | [3] | 3,916,108 |
Courtyard [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 9,668,469 | [4] | 9,774,107 | [5]
Cumulative Unrealized Gain |  | 449,017 | [4] | 845,146 | [5]
Estimated Fair Value |  | 10,117,486 | [4] | 10,619,253 | [5]
Glenview Apartments [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 4,248,118 | [6] | 4,312,025 | [7]
Cumulative Unrealized Gain |  | 170,362 | [6] | 298,507 | [7]
Estimated Fair Value |  | 4,418,480 | [6] | 4,610,532 | [7]
Harmony Court Bakersfield [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,525,258 | [4] | 3,563,775 | [5]
Cumulative Unrealized Gain |  | 127,289 | [4] | 275,305 | [5]
Estimated Fair Value |  | 3,652,547 | [4] | 3,839,080 | [5]
Harmony Terrace [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,527,329 | [4] | 6,598,285 | [5]
Cumulative Unrealized Gain |  | 288,190 | [4] | 573,928 | [5]
Estimated Fair Value |  | 6,815,519 | [4] | 7,172,213 | [5]
Harden Ranch [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,256,135 | [3] | 6,355,567 | [8]
Cumulative Unrealized Gain |  | 260,476 | [3] | 441,345 | [8]
Estimated Fair Value |  | 6,516,611 | [3] | 6,796,912 | [8]
Las Palmas II [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 1,598,957 | [4] | 1,616,607 | [5]
Cumulative Unrealized Gain |  | 61,427 | [4] | 128,930 | [5]
Estimated Fair Value |  | 1,660,384 | [4] | 1,745,537 | [5]
Lutheran Gardens [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 10,352,000 |  | 10,352,000 | [9],[10]
Cumulative Unrealized Loss | [9],[10] |  |  | (30,994) |
Estimated Fair Value |  | 10,352,000 |  | 10,321,006 | [9],[10]
Montclair Apartments [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 2,301,443 | [6] | 2,336,065 | [7]
Cumulative Unrealized Gain |  | 98,596 | [6] | 170,291 | [7]
Estimated Fair Value |  | 2,400,039 | [6] | 2,506,356 | [7]
Montecito at Williams Ranch Apartments [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 7,374,111 | [3] | 7,442,435 | [2]
Cumulative Unrealized Gain |  | 424,400 | [3] | 846,333 | [2]
Estimated Fair Value |  | 7,798,511 | [3] | 8,288,768 | [2]
Montevista [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,556,878 | [3] | 6,607,973 | [2]
Cumulative Unrealized Gain |  | 602,131 | [3] | 992,675 | [2]
Estimated Fair Value |  | 7,159,009 | [3] | 7,600,648 | [2]
Residency at Empire - Series BB-1 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 14,109,248 | [1] | 14,117,540 | [2]
Cumulative Unrealized Gain |  | 491,616 | [1] | 1,004,021 | [2]
Estimated Fair Value |  | 14,600,864 | [1] | 15,121,561 | [2]
Residency at Empire - Series BB-2 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 4,000,000 | [1] | 4,000,000 | [2]
Cumulative Unrealized Gain |  | 171,675 | [1] | 320,446 | [2]
Estimated Fair Value |  | 4,171,675 | [1] | 4,320,446 | [2]
Residency at Empire - Series BB-3 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 14,000,000 | [1] | 5,055,000 | [2]
Cumulative Unrealized Gain |  | 510,453 | [1] | 575,709 | [2]
Estimated Fair Value |  | 14,510,453 | [1] | 5,630,709 | [2]
Residency at Empire - Series BB-4 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [1] | 21,200,000 |  |  |
Cumulative Unrealized Gain | [1] | 275,702 |  |  |
Estimated Fair Value | [1] | 21,475,702 |  |  |
Ocotillo Springs [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,455,419 | [3],[11] | 3,489,096 | [9]
Cumulative Unrealized Loss |  | (224,262) | [3],[11] | (59,805) | [9]
Estimated Fair Value |  | 3,231,157 | [3],[11] | 3,429,291 | [9]
Ocotillo Springs [Member] | Series A-1 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 496,351 | [3] | 499,117 |
Cumulative Unrealized Gain |  | 64,598 | [3] | 95,386 |
Estimated Fair Value |  | 560,949 | [3] | 594,503 |
Residency at the Entrepreneur - Series J-1 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 9,078,496 | [1],[12] | 9,085,429 | [2]
Cumulative Unrealized Gain | [2] |  |  | 181,504 |
Cumulative Unrealized Loss | [1],[12] | (194,816) |  |  |
Estimated Fair Value |  | 8,883,680 | [1],[12] | 9,266,933 | [2]
Residency at the Entrepreneur - Series J-2 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 7,500,000 | [1],[12] | 7,500,000 | [2]
Cumulative Unrealized Gain | [2] |  |  | 222,445 |
Cumulative Unrealized Loss | [1],[12] | (96,933) |  |  |
Estimated Fair Value |  | 7,403,067 | [1],[12] | 7,722,445 | [2]
Residency at the Entrepreneur - Series J-3 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 26,080,000 | [1],[12] | 12,300,000 | [2]
Cumulative Unrealized Gain | [2] |  |  | 697,895 |
Cumulative Unrealized Loss | [1],[12] | (99,928) |  |  |
Estimated Fair Value |  | 25,980,072 | [1],[12] | 12,997,895 | [2]
Residency at the Entrepreneur - Series J-4 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [1] | 16,420,000 |  |  |
Estimated Fair Value | [1] | 16,420,000 |  |  |
Residency at the Entrepreneur - Series J-5 [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 5,000,000 | [1] | 1,000,000 |
Estimated Fair Value |  | 5,000,000 | [1] | 1,000,000 |
Residency at the Mayer [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 29,556,596 | [1] | 29,560,945 | [2]
Estimated Fair Value |  | 29,556,596 | [1] | 29,560,945 | [2]
Residency at the Mayer [Member] | Series M [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [1] | 11,500,000 |  |  |
Estimated Fair Value | [1] | 11,500,000 |  |  |
San Vicente [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,296,965 | [4] | 3,333,357 | [5]
Cumulative Unrealized Gain |  | 135,060 | [4] | 265,848 | [5]
Estimated Fair Value |  | 3,432,025 | [4] | 3,599,205 | [5]
Santa Fe Apartments [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 2,788,112 | [6] | 2,830,055 | [7]
Cumulative Unrealized Gain |  | 123,270 | [6] | 206,301 | [7]
Estimated Fair Value |  | 2,911,382 | [6] | 3,036,356 | [7]
Seasons at Simi Valley [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 4,025,911 | [4] | 4,083,273 | [5]
Cumulative Unrealized Gain |  | 272,883 | [4] | 443,901 | [5]
Estimated Fair Value |  | 4,298,794 | [4] | 4,527,174 | [5]
Seasons Lakewood [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,953,024 | [4] | 7,028,608 | [5]
Cumulative Unrealized Gain |  | 306,985 | [4] | 611,358 | [5]
Estimated Fair Value |  | 7,260,009 | [4] | 7,639,966 | [5]
Seasons San Juan Capistrano [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 11,706,622 | [4] | 11,833,880 | [5]
Cumulative Unrealized Gain |  | 516,863 | [4] | 992,473 | [5]
Estimated Fair Value |  | 12,223,485 | [4] | 12,826,353 | [5]
Summerhill [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,070,437 | [4] | 6,136,763 | [5]
Cumulative Unrealized Gain |  | 20,122 | [4] | 381,019 | [5]
Estimated Fair Value |  | 6,090,559 | [4] | 6,517,782 | [5]
Sycamore Walk [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,330,230 | [4] | 3,380,901 | [5]
Cumulative Unrealized Gain |  | 44,181 | [4] | 226,216 | [5]
Estimated Fair Value |  | 3,374,411 | [4] | 3,607,117 | [5]
The Village at Madera [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 2,915,662 | [4] | 2,947,519 | [5]
Cumulative Unrealized Gain |  | 112,779 | [4] | 227,699 | [5]
Estimated Fair Value |  | 3,028,441 | [4] | 3,175,218 | [5]
Tyler Park Townhomes [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 5,445,686 | [3] | 5,533,307 | [8]
Cumulative Unrealized Gain | [8] |  |  | 119,693 |
Estimated Fair Value |  | 5,445,686 | [3] | 5,653,000 | [8]
Village at Hanford Square [Member] | Series H [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 10,400,000 | [1] | 10,400,000 | [2]
Cumulative Unrealized Gain |  | 619,721 | [1] | 1,073,808 | [2]
Estimated Fair Value |  | 11,019,721 | [1] | 11,473,808 | [2]
Vineyard Gardens | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,839,951 | [3] | 3,874,962 | [2]
Cumulative Unrealized Gain |  | 281,057 | [3] | 461,663 | [2]
Estimated Fair Value |  | 4,121,008 | [3] | 4,336,625 | [2]
Westside Village Market [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 3,558,747 | [3] | 3,616,007 | [8]
Cumulative Unrealized Gain |  | 132,773 | [3] | 223,459 | [8]
Estimated Fair Value |  | 3,691,520 | [3] | 3,839,466 | [8]
Maryalice Circle Apartments [Member] | GA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 5,900,000 | [1] | 5,900,000 | [2]
Cumulative Unrealized Gain |  | 496,763 | [1] | 880,643 | [2]
Estimated Fair Value |  | 6,396,763 | [1] | 6,780,643 | [2]
Brookstone [Member] | IL [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  |  |  | 7,229,475 |
Cumulative Unrealized Gain |  |  |  | 1,071,177 |
Estimated Fair Value |  |  |  | 8,300,652 |
Copper Gate Apartments [Member] | IN [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 4,715,000 | [3] | 4,780,000 | [8],[9]
Cumulative Unrealized Loss | [8],[9] |  |  | (5) |
Estimated Fair Value |  | 4,715,000 | [3] | 4,779,995 | [8],[9]
Renaissance [Member] | Series A [Member] | LA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 10,263,789 | [6],[12] | 10,429,392 | [7]
Cumulative Unrealized Gain | [7] |  |  | 1,221,077 |
Cumulative Unrealized Loss | [6],[12] | (836,645) |  |  |
Estimated Fair Value |  | 9,427,144 | [6],[12] | 11,650,469 | [7]
Live 929 Apartments [Member] | Series 2022A [Member] | MD [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 58,560,655 | [1] | 58,333,646 | [2]
Cumulative Unrealized Gain |  | 3,547,694 | [1] | 3,275,636 | [2]
Estimated Fair Value |  | 62,108,349 | [1] | 61,609,282 | [2]
Woodington Gardens Apartments [Member] | Series A-1 [Member] | MD [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [1] | 31,150,000 |  |  |
Cumulative Unrealized Gain | [1] | 3,112,265 |  |  |
Estimated Fair Value | [1] | 34,262,265 |  |  |
Meadow Valley [Member] | MI [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 41,162,263 | [1],[13] | 20,863,114 | [2],[14]
Cumulative Unrealized Loss |  | (1,859,135) | [1],[13] | (920,148) | [2],[14]
Estimated Fair Value |  | 39,303,128 | [1],[13] | 19,942,966 | [2],[14]
Jackson Manor Apartments [Member] | MS [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 4,781,136 | [3] | 4,824,474 | [2]
Cumulative Unrealized Gain |  | 19,919 | [3] | 209,082 | [2]
Estimated Fair Value |  | 4,801,055 | [3] | 5,033,556 | [2]
Village Point [Member] | NJ [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 23,000,000 | [12],[15] | 23,000,000 | [10]
Cumulative Unrealized Gain | [10] |  |  | 192,788 |
Cumulative Unrealized Loss | [12],[15] | (447,248) |  |  |
Estimated Fair Value |  | 22,552,752 | [12],[15] | 23,192,788 | [10]
Silver Moon [Member] | Series A [Member] | NM [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 7,398,857 | [6] | 7,480,455 | [7]
Cumulative Unrealized Gain |  | 571,694 | [6] | 928,841 | [7]
Estimated Fair Value |  | 7,970,551 | [6] | 8,409,296 | [7]
Village at Avalon [Member] | NM [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 15,665,803 | [3] | 15,808,184 | [16]
Cumulative Unrealized Gain |  | 1,241,389 | [3] | 1,962,627 | [16]
Estimated Fair Value |  | 16,907,192 | [3] | 17,770,811 | [16]
Columbia Gardens [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 12,150,488 | [4] | 12,351,218 | [5]
Cumulative Unrealized Gain |  | 502,113 | [4] | 807,633 | [5]
Estimated Fair Value |  | 12,652,601 | [4] | 13,158,851 | [5]
Companion at Thornhill Apartments [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 10,484,096 | [4] | 10,639,506 | [5]
Cumulative Unrealized Gain |  | 338,831 | [4] | 598,197 | [5]
Estimated Fair Value |  | 10,822,927 | [4] | 11,237,703 | [5]
The Ivy Apartments [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 30,558,423 | [1],[11] | 30,567,832 | [2]
Cumulative Unrealized Gain |  | 822,638 | [1],[11] | 1,933,208 | [2]
Estimated Fair Value |  | 31,381,061 | [1],[11] | 32,501,040 | [2]
The Palms at Premier Park Apartments [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 17,590,997 | [3] | 17,872,527 | [8]
Cumulative Unrealized Gain |  | 27,389 | [3] | 427,099 | [8]
Estimated Fair Value |  | 17,618,386 | [3] | 18,299,626 | [8]
The Park at Sondrio [Member] | Series 2022A [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 38,100,000 | [1] | 38,100,000 | [2]
Cumulative Unrealized Gain |  | 1,260,209 | [1] | 2,682,964 | [2]
Estimated Fair Value |  | 39,360,209 | [1] | 40,782,964 | [2]
The Park at Vietti [Member] | Series 2022A [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 26,985,000 | [1],[11] | 26,985,000 | [2]
Cumulative Unrealized Gain |  | 952,281 | [1],[11] | 1,972,695 | [2]
Estimated Fair Value |  | 27,937,281 | [1],[11] | 28,957,695 | [2]
Village at River's Edge [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 9,477,407 | [4] | 9,566,110 | [5]
Cumulative Unrealized Gain |  | 832,313 | [4] | 1,000,545 | [5]
Estimated Fair Value |  | 10,309,720 | [4] | 10,566,655 | [5]
Willow Run [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 11,981,345 | [4] | 12,180,025 | [5]
Cumulative Unrealized Gain |  | 494,536 | [4] | 817,941 | [5]
Estimated Fair Value |  | 12,475,881 | [4] | 12,997,966 | [5]
Windsor Shores Apartments [Member] | Series A [Member] | Goose Creek, SC [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 21,545,000 | [1],[11] | 21,545,000 | [2]
Cumulative Unrealized Gain |  | 718,755 | [1],[11] | 1,530,085 | [2]
Estimated Fair Value |  | 22,263,755 | [1],[11] | 23,075,085 | [2]
Arbors at Hickory Ridge [Member] | TN [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [8] |  |  | 10,417,646 |
Cumulative Unrealized Gain | [8] |  |  | 1,805,985 |
Estimated Fair Value | [8] |  |  | 12,223,631 |
Avistar at Copperfield [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 13,215,029 | [1] | 13,378,386 | [2]
Cumulative Unrealized Gain |  | 485,574 | [1] | 983,586 | [2]
Estimated Fair Value |  | 13,700,603 | [1] | 14,361,972 | [2]
Avistar at the Crest [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 8,621,036 | [1] | 8,762,826 | [8]
Cumulative Unrealized Gain |  | 471,417 | [1] | 909,437 | [8]
Estimated Fair Value |  | 9,092,453 | [1] | 9,672,263 | [8]
Avistar at the Crest [Member] | Series B [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 711,315 |  | 718,332 |
Cumulative Unrealized Gain |  | 24,748 |  | 49,845 |
Estimated Fair Value |  | 736,063 |  | 768,177 |
Avistar at the Oaks [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,980,721 | [1] | 7,091,928 | [8]
Cumulative Unrealized Gain |  | 333,795 | [1] | 666,990 | [8]
Estimated Fair Value |  | 7,314,516 | [1] | 7,758,918 | [8]
Avistar at the Oaks [Member] | Series B [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 521,384 |  | 526,318 |
Cumulative Unrealized Gain |  | 14,194 |  | 35,066 |
Estimated Fair Value |  | 535,578 |  | 561,384 |
Avistar at the Parkway [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 12,101,645 | [6] | 12,270,653 | [7]
Cumulative Unrealized Gain |  | 422,358 | [6] | 830,179 | [7]
Estimated Fair Value |  | 12,524,003 | [6] | 13,100,832 | [7]
Avistar at the Parkway [Member] | Series B [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 122,165 |  | 122,701 |
Cumulative Unrealized Gain |  | 13,232 |  | 19,352 |
Estimated Fair Value |  | 135,397 |  | 142,053 |
Avistar at Wilcrest [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 5,008,228 | [1] | 5,070,137 | [2]
Cumulative Unrealized Gain |  | 155,503 | [1] | 313,010 | [2]
Estimated Fair Value |  | 5,163,731 | [1] | 5,383,147 | [2]
Avistar at Wood Hollow [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 38,027,363 | [1] | 38,497,436 | [2]
Cumulative Unrealized Gain |  | 1,397,281 | [1] | 2,648,201 | [2]
Estimated Fair Value |  | 39,424,644 | [1] | 41,145,637 | [2]
Avistar in 09 [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,027,577 | [1] | 6,123,600 | [8]
Cumulative Unrealized Gain |  | 302,568 | [1] | 593,430 | [8]
Estimated Fair Value |  | 6,330,145 | [1] | 6,717,030 | [8]
Avistar in 09 [Member] | Series B [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 430,095 |  | 434,165 |
Cumulative Unrealized Gain |  | 12,653 |  | 28,926 |
Estimated Fair Value |  | 442,748 |  | 463,091 |
Avistar on the Boulevard [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 14,686,873 | [1] | 14,928,425 | [8]
Cumulative Unrealized Gain |  | 671,717 | [1] | 1,346,449 | [8]
Estimated Fair Value |  | 15,358,590 | [1] | 16,274,874 | [8]
Avistar on the Boulevard [Member] | Series B [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 422,666 |  | 426,835 |
Cumulative Unrealized Gain |  | 12,072 |  | 27,507 |
Estimated Fair Value |  | 434,738 |  | 454,342 |
Avistar on the Hills [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 4,779,156 | [1] | 4,855,291 | [8]
Cumulative Unrealized Gain |  | 251,307 | [1] | 470,520 | [8]
Estimated Fair Value |  | 5,030,463 | [1] | 5,325,811 | [8]
Bruton Apartments [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 17,050,526 | [4] | 17,220,941 | [5],[9]
Cumulative Unrealized Loss | [5],[9] |  |  | (13,366) |
Estimated Fair Value |  | 17,050,526 | [4] | 17,207,575 | [5],[9]
Concord at Gulfgate [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 17,963,286 | [4] | 18,190,721 | [5]
Cumulative Unrealized Gain |  | 938,146 | [4] | 1,807,038 | [5]
Estimated Fair Value |  | 18,901,432 | [4] | 19,997,759 | [5]
Concord at Little York [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 12,584,132 | [4] | 12,743,460 | [5]
Cumulative Unrealized Gain |  | 716,639 | [4] | 1,302,221 | [5]
Estimated Fair Value |  | 13,300,771 | [4] | 14,045,681 | [5]
Concord at Williamcrest [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 19,494,168 | [4] | 19,740,985 | [5]
Cumulative Unrealized Gain |  | 1,064,065 | [4] | 2,017,280 | [5]
Estimated Fair Value |  | 20,558,233 | [4] | 21,758,265 | [5]
Crossing at 1415 [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,989,209 | [4] | 7,082,698 | [5]
Cumulative Unrealized Gain |  | 179,154 | [4] | 565,843 | [5]
Estimated Fair Value |  | 7,168,363 | [4] | 7,648,541 | [5]
Decatur-Angle [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 21,412,592 | [4],[12] | 21,646,255 | [5],[9]
Cumulative Unrealized Loss |  | (149,516) | [4],[12] | (16,674) | [5],[9]
Estimated Fair Value |  | 21,263,076 | [4],[12] | 21,629,581 | [5],[9]
Esperanza at Palo Alto [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 18,576,657 | [4] | 18,751,278 | [5]
Cumulative Unrealized Gain |  | 1,168,859 | [4] | 2,480,537 | [5]
Estimated Fair Value |  | 19,745,516 | [4] | 21,231,815 | [5]
Heights at 515 [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 6,398,741 | [4] | 6,484,332 | [5]
Cumulative Unrealized Gain |  | 312,241 | [4] | 602,199 | [5]
Estimated Fair Value |  | 6,710,982 | [4] | 7,086,531 | [5]
Heritage Square [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 10,039,053 | [6] | 10,186,405 | [7]
Cumulative Unrealized Gain |  | 307,888 | [6] | 606,579 | [7]
Estimated Fair Value |  | 10,346,941 | [6] | 10,792,984 | [7]
Oaks at Georgetown [Member] | Series A [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 11,664,053 | [4],[12] | 11,790,848 | [5]
Cumulative Unrealized Gain |  | 214,123 | [4],[11] | 838,472 | [5]
Estimated Fair Value |  | 11,878,176 | [4],[12] | 12,629,320 | [5]
15 West Apartments [Member] | WA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 9,283,990 | [4] | 9,371,808 | [5]
Cumulative Unrealized Gain |  | 1,025,529 | [4] | 1,478,567 | [5]
Estimated Fair Value |  | 10,309,519 | [4] | 10,850,375 | [5]
Aventine Apartments [Member] | WA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [1] | 9,500,000 |  |  |
Cumulative Unrealized Gain | [1] | 1,060,325 |  |  |
Estimated Fair Value | [1] | 10,560,325 |  |  |
Wellspring Apartments [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [3] | 3,880,455 |  |  |
Cumulative Unrealized Gain | [3] | 119,584 |  |  |
Estimated Fair Value | [3] | 4,000,039 |  |  |
Solano Vista [Member] | Series A [Member] | CA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 2,591,588 | [3] | 2,611,955 |
Cumulative Unrealized Gain |  | 172,312 | [3] | 338,125 |
Estimated Fair Value |  | 2,763,900 | [3] | 2,950,080 |
Handsel Morgan Village Apartments [Member] | GA [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  | 2,150,000 | [1] | 2,150,000 |
Cumulative Unrealized Gain |  | 162,887 | [1] | 300,188 |
Estimated Fair Value |  | $ 2,312,887 | [1] | 2,450,188 |
Provision Center 2014-1 [Member] | TN [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  |  |  | 926,475 |
Estimated Fair Value |  |  |  | 926,475 |
Runnymede [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances | [9] |  |  | 9,390,000 |
Cumulative Unrealized Gain | [9] |  |  | 1,121 |
Estimated Fair Value | [9] |  |  | 9,388,879 |
Southpark [Member] | TX [Member] |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |
Cost Adjusted for Paydowns and Allowances |  |  |  | 11,133,003 |
Cumulative Unrealized Gain |  |  |  | 1,166,283 |
Estimated Fair Value |  |  |  | $ 12,299,286 |
[1] | MRB held by Mizuho in a TOB trust financing transaction, Note 13.
[2] | MRB held by Mizuho in a debt financing transaction, Note 13.
[3] | 2024 PFA Securitization Bond associated with the 2024 PFA Securitization Transaction, Note 13.
[4] | MRB owned by ATAX TEBS IV, LLC (M45 TEBS Financing), Note 13. The TEBS financing has contractual limitations on the Partnership’s ability to sell the MRB.
[5] | MRB owned by ATAX TEBS IV, LLC (M45 TEBS Financing), Note 13. The TEBS financing has contractual limitations on the Partnership’s ability to sell the MRB.
[6] | MRB owned by ATAX TEBS III, LLC (M33 TEBS Financing), Note 13. The TEBS financing has contractual limitations on the Partnership’s ability to sell the MRB.
[7] | MRB owned by ATAX TEBS III, LLC (M33 TEBS Financing), Note 13. The TEBS financing has contractual limitations on the Partnership’s ability to sell the MRB.
[8] | MRB owned by ATAX TEBS II, LLC (M31 TEBS Financing), Note 13. The TEBS financing has contractual limitations on the Partnership’s ability to sell the MRB.
[9] | As of the date presented, the Partnership determined that the unrealized loss on the MRB is a result of increasing market interest rates and is not considered a credit loss. As of December 31, 2023, the MRB has been in an unrealized loss position for less than 12 months. (8) As of the date presented, the Partnership determined that the unrealized loss on the MRB is a result of increasing market interest rates and is not considered a credit loss. As of December 31, 2023, the MRB has been in an unrealized loss position for more than 12 months.
[10] | MRB held by Barclays Capital Inc. in a debt financing transaction, Note 13.
[11] | As of the date presented, the Partnership determined that the unrealized loss on the MRB is a result of increasing market interest rates and is not considered a credit loss. As of December 31, 2024, the MRB has been in an unrealized loss position for at least 12 months.
[12] | As of the date presented, the Partnership determined that the unrealized loss on the MRB is a result of increasing market interest rates and is not considered a credit loss. As of December 31, 2024, the MRB has been in an unrealized loss position for less than 12 months.
[13] | The Partnership has a remaining MRB funding commitment of approximately $2.9 million as of December 31, 2024. The MRB and the unfunded MRB commitment are accounted for as available-for-sale securities and reported at fair value. The reported unrealized loss includes the unrealized loss on the current MRB carrying value (based on current fair value) as well as the unrealized loss on the Partnership’s remaining funding commitment outstanding as of December 31, 2024 (also based on current fair value). The Partnership determined the unrealized loss is a result of increasing market interest rates and that the cumulative unrealized loss is not considered a credit loss. As of December 31, 2024, the MRB has been in an unrealized loss position for more than 12 months.
[14] | The Partnership has a remaining MRB funding commitment of approximately $23.2 million as of December 31, 2023. The MRB and the unfunded MRB commitment are accounted for as available-for-sale securities and reported at fair value. The reported unrealized loss includes the unrealized loss on the current MRB carrying value (based on current fair value) as well as the unrealized loss on the Partnership’s remaining funding commitment outstanding as of December 31, 2023 (also based on current fair value). The Partnership determined the unrealized loss is a result of increasing market interest rates and that the cumulative unrealized loss is not considered a credit loss. As of December 31, 2023, the MRB has been in an unrealized loss position for more than 12 months.
[15] | MRB held by Barclays in a TOB trust financing transaction, Note 13.
[16] | MRB held by Morgan Stanley in a debt financing transaction, Note 13.

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