Segments - Summary of Partnership Reportable Segment Information (Details) - USD ($)		3 Months Ended		6 Months Ended
		Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Revenues:
Investment income		$ 20,824,819	$ 19,827,388	$ 42,702,986	$ 39,099,733
Other interest income		2,558,264	2,070,487	4,846,429	5,074,325
Contingent interest income		208,059		208,059
Other income			71,296	958,825	165,767
Total revenues		23,591,142	21,969,171	48,716,299	44,339,825
Expenses:
Provision for credit losses		9,052,734	19,692	8,880,734	(786,308)
Depreciation and amortization		2,646	5,966	6,188	11,933
Interest expense		14,225,688	14,898,265	28,360,504	28,702,200
Net result from derivative transactions		1,379,216	(1,884,934)	4,415,353	(8,152,598)
General and administrative		4,674,865	4,821,427	9,245,126	9,751,815
Total expenses		29,335,149	17,860,416	50,907,905	29,527,042
Other Income:
Gain on sale of real estate assets			63,739		63,739
Gain on sale of mortgage revenue bond			1,012,581		1,012,581
Gain on sale of investments in unconsolidated entities		195,516	6,986	200,736	56,986
Earnings (losses) from investments in unconsolidated entities		(1,525,993)	(14,711)	(1,759,327)	(121,556)
Income (loss) before income taxes		(7,074,484)	5,177,350	(3,750,197)	15,824,533
Income tax benefit		(2,762)	(786)	(5,495)	(1,984)
Net income (loss)		(7,071,722)	5,178,136	(3,744,702)	15,826,517
Total assets
Total assets	[1]	1,480,635,793		1,480,635,793		$ 1,579,700,160
Operating Segments [Member] | Affordable Multifamily Investments [Member]
Revenues:
Investment income		16,949,363	17,864,707	34,586,159	34,765,375
Other interest income		2,367,952	2,057,799	4,465,804	5,061,637
Contingent interest income		208,059		208,059
Other income			71,296	958,825	165,767
Total revenues		19,525,374	19,993,802	40,218,847	39,992,779
Expenses:
Provision for credit losses		9,053,734	(195,308)	8,874,734	(1,001,308)
Depreciation and amortization		2,646	5,966	6,188	11,933
Interest expense		12,641,406	13,853,241	25,090,049	26,622,380
Net result from derivative transactions		1,108,996	(1,615,398)	3,612,964	(7,050,960)
General and administrative		4,674,865	4,821,427	9,245,126	9,751,815
Total expenses		27,481,647	16,869,928	46,829,061	28,333,860
Other Income:
Gain on sale of mortgage revenue bond			1,012,581		1,012,581
Earnings (losses) from investments in unconsolidated entities		(29,757)		(29,757)
Income (loss) before income taxes		(7,986,030)	4,136,455	(6,639,971)	12,671,500
Net income (loss)		(7,986,030)	4,136,455	(6,639,971)	12,671,500
Total assets
Total assets		1,318,734,107		1,318,734,107		1,428,627,104
Operating Segments [Member] | Seniors and Skilled Nursing Investments [Member]
Revenues:
Investment income		1,051,619	807,659	2,093,805	1,555,167
Other interest income		190,312	12,688	380,625	12,688
Total revenues		1,241,931	820,347	2,474,430	1,567,855
Expenses:
Provision for credit losses		(1,000)	215,000	6,000	215,000
Interest expense		713,845	567,096	1,366,139	1,064,266
Net result from derivative transactions		270,220	(269,536)	802,389	(1,101,638)
General and administrative
Total expenses		983,065	512,560	2,174,528	177,628
Other Income:
Income (loss) before income taxes		258,866	307,787	299,902	1,390,227
Net income (loss)		258,866	307,787	299,902	1,390,227
Total assets
Total assets		71,618,221		71,618,221		70,163,422
Operating Segments [Member] | Market-Rate Joint Venture Investments [Member]
Revenues:
Investment income		2,823,837	1,155,022	6,023,022	2,779,191
Total revenues		2,823,837	1,155,022	6,023,022	2,779,191
Expenses:
Interest expense		870,437	477,928	1,904,316	1,015,554
Net result from derivative transactions
General and administrative
Total expenses		870,437	477,928	1,904,316	1,015,554
Other Income:
Gain on sale of investments in unconsolidated entities		195,516	6,986	200,736	56,986
Earnings (losses) from investments in unconsolidated entities		(1,496,236)	(14,711)	(1,729,570)	(121,556)
Income (loss) before income taxes		652,680	669,369	2,589,872	1,699,067
Net income (loss)		652,680	669,369	2,589,872	1,699,067
Total assets
Total assets		156,634,794		156,634,794		183,508,429
Operating Segments [Member] | MF Properties [Member]
Other Income:
Gain on sale of real estate assets			63,739		63,739
Income (loss) before income taxes			63,739		63,739
Income tax benefit		(2,762)	(786)	(5,495)	(1,984)
Net income (loss)		2,762	$ 64,525	5,495	$ 65,723
Total assets
Total assets		7,795,791		7,795,791		7,782,906
Consolidation, Eliminations [Member]
Total assets
Total assets		$ (74,147,120)		$ (74,147,120)		$ (110,381,701)

[1] The condensed consolidated balance sheets include assets of consolidated VIEs that can only be used to settle obligations of these VIEs that totaled $1,248,352,401 and $1,332,121,374 as of June 30, 2025 and December 31, 2024, 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 $338,676,065 and $370,876,249 as of June 30, 2025 and December 31, 2024, respectively. See Note 3 - Variable Interest Entities for further detail.