v3.26.1
Segments - Summary of Partnership Reportable Segment Information (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Revenues:          
Investment income $ 14,711,034 $ 20,038,047 $ 31,150,190 $ 41,113,620  
Other interest income 3,217,146 2,558,264 6,339,707 4,846,429  
Contingent Interest Income   208,059   208,059  
Property revenues 2,078,727   3,527,852    
Other income 1,179,273 22,804,370 1,953,634 958,825  
Total revenues 21,186,180 22,804,370 42,971,383 47,126,933  
Expenses:          
Real estate operating 1,342,991   2,170,626    
Provision for credit losses (372,582) 9,052,734 (2,450,459) 8,880,734  
Depreciation and amortization 3,272,248 2,646 6,018,640 6,188  
Interest expense 13,387,124 13,901,191 26,555,270 27,398,485  
Net result from derivative transactions (2,081,363) 1,379,216 (3,646,002) 4,415,353  
General and administrative 4,041,429 4,674,865 8,692,191 9,245,126  
Total expenses 19,589,847 29,010,652 37,340,266 49,945,886  
Other Income:          
Gain on sale of investments in unconsolidated entities 16,624 195,516 16,624 200,736  
Gain on deed in lieu of foreclosures 22,790   2,241,813    
Earnings (losses) from investments in unconsolidated entities (3,161,262) (2,247,076) (8,091,362) (3,239,335)  
Loss before income taxes (1,525,515) (8,257,842) (201,808) (5,857,552)  
Income tax benefit (2,786) (2,762) (5,459) (5,495)  
Net loss (1,522,729) (8,255,080) (196,349) (5,852,057)  
Total assets          
Total assets [1] 1,386,636,625   1,386,636,625   $ 1,502,887,278
Operating Segments [Member] | Affordable Multifamily Investments [Member]          
Revenues:          
Investment income 13,237,064 16,949,363 28,254,205 34,586,159  
Other interest income 3,026,834 2,367,952 5,959,082 4,465,804  
Contingent Interest Income   208,059   208,059  
Other income 1,069,183 19,525,374 1,841,208 958,825  
Total revenues 17,333,081   36,054,495 40,218,847  
Expenses:          
Provision for credit losses (369,582) 9,053,734 (2,445,459) 8,874,734  
Depreciation and amortization   2,646   6,188  
Interest expense 10,474,131 12,641,406 21,118,436 25,090,049  
Net result from derivative transactions (1,257,110) 1,108,996 (2,193,326) 3,612,964  
General and administrative 4,041,429 4,674,865 8,692,191 9,245,126  
Total expenses 12,888,868 27,481,647 25,171,842 46,829,061  
Other Income:          
Gain on deed in lieu of foreclosures 22,790   2,241,813    
Earnings (losses) from investments in unconsolidated entities 19,456 (29,757) 37,708 (29,757)  
Loss before income taxes 4,486,459 (7,986,030) 13,162,174 (6,639,971)  
Net loss 4,486,459 (7,986,030) 13,162,174 (6,639,971)  
Total assets          
Total assets 1,130,603,203   1,130,603,203   1,354,654,552
Operating Segments [Member] | Seniors and Skilled Nursing Investments [Member]          
Revenues:          
Investment income 1,064,553 1,051,619 2,129,666 2,093,805  
Other interest income 190,312 190,312 380,625 380,625  
Other income 110,000 1,241,931 110,000    
Total revenues 1,364,865   2,620,291 2,474,430  
Expenses:          
Provision for credit losses (3,000) (1,000) (5,000) 6,000  
Interest expense 665,988 713,845 1,242,253 1,366,139  
Net result from derivative transactions (379,239) 270,220 (633,948) 802,389  
Total expenses 283,749 983,065 603,305 2,174,528  
Other Income:          
Loss before income taxes 1,081,116 258,866 2,016,986 299,902  
Net loss 1,081,116 258,866 2,016,986 299,902  
Total assets          
Total assets 72,880,253   72,880,253   72,334,224
Operating Segments [Member] | Market-Rate Joint Venture Investments [Member]          
Revenues:          
Investment income 409,417 2,037,065 766,319 4,433,656  
Other income   2,037,065      
Total revenues 409,417   766,319 4,433,656  
Expenses:          
Interest expense 735,652 545,940 1,673,143 942,297  
Total expenses 735,652 545,940 1,673,143 942,297  
Other Income:          
Gain on sale of investments in unconsolidated entities 16,624 195,516 16,624 200,736  
Earnings (losses) from investments in unconsolidated entities (3,180,718) (2,217,319) (8,129,070) (3,209,578)  
Loss before income taxes (3,490,329) (530,678) (9,019,270) 482,517  
Net loss (3,490,329) (530,678) (9,019,270) 482,517  
Total assets          
Total assets 158,394,403   158,394,403   148,919,228
Operating Segments [Member] | MF Properties [Member]          
Revenues:          
Property revenues 2,078,727   3,527,852    
Other income 90   2,426    
Total revenues 2,078,817   3,530,278    
Expenses:          
Real estate operating 1,342,991   2,170,626    
Depreciation and amortization 3,272,248   6,018,640    
Interest expense 1,511,353   2,521,438    
Net result from derivative transactions (445,014)   (818,728)    
Total expenses 5,681,578   9,891,976    
Other Income:          
Loss before income taxes (3,602,761)   (6,361,698)    
Income tax benefit (2,786) (2,762) (5,459) (5,495)  
Net loss (3,599,975) $ 2,762 (6,356,239) $ 5,495  
Total assets          
Total assets 115,021,267   115,021,267   4,332,730
Consolidation, Eliminations [Member]          
Total assets          
Total assets $ (90,262,501)   $ (90,262,501)   $ (77,353,456)
[1] The condensed consolidated balance sheets include assets of consolidated VIEs that can only be used to settle obligations of these VIEs that totaled $1,007,854,513 and $1,246,799,233 as of June 30, 2026 and December 31, 2025, respectively. The condensed consolidated balance sheets include liabilities of the consolidated VIEs for which creditors do not have recourse to the general credit of the Partnership that totaled $328,681,368 and $331,318,784 as of June 30, 2026 and December 31, 2025, respectively. See Note 3 - Variable Interest Entities for further detail.