Segments - Summary of Partnership Reportable Segment Information (Details) - USD ($)		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Revenues:
Investment income		$ 21,878,167	$ 19,272,345
Other interest income		2,288,165	3,003,838
Other income		958,825	94,471
Total revenues		25,125,157	22,370,654
Expenses:
Provision for credit losses		(172,000)	(806,000)
Depreciation and amortization		3,542	5,967
Interest expense		14,134,816	13,803,935
Net result from derivative transactions		3,036,137	(6,267,664)
General and administrative		4,570,261	4,930,388
Total expenses		21,572,756	11,666,626
Other Income:
Gain on sale of investments in unconsolidated entities		5,220	50,000
Earnings (losses) from investments in unconsolidated entities		(233,334)	(106,845)
Income before income taxes		3,324,287	10,647,183
Income tax benefit		(2,733)	(1,198)
Net income		3,327,020	10,648,381
Total assets
Total assets	[1]	1,537,482,725		$ 1,579,700,160
Operating Segments [Member] | Affordable Multifamily Investments [Member]
Revenues:
Investment income		17,636,796	16,900,668
Other interest income		2,097,852	3,003,838
Other income		958,825	94,471
Total revenues		20,693,473	19,998,977
Expenses:
Provision for credit losses		(179,000)	(806,000)
Depreciation and amortization		3,542	5,967
Interest expense		12,448,643	12,769,139
Net result from derivative transactions		2,503,968	(5,435,562)
General and administrative		4,570,261	4,930,388
Total expenses		19,347,414	11,463,932
Other Income:
Income before income taxes		1,346,059	8,535,045
Net income		1,346,059	8,535,045
Total assets
Total assets		1,376,114,808		1,428,627,104
Operating Segments [Member] | Seniors and Skilled Nursing Investments [Member]
Revenues:
Investment income		1,042,186	747,508
Other interest income		190,313
Total revenues		1,232,499	747,508
Expenses:
Provision for credit losses		7,000
Interest expense		652,294	497,170
Net result from derivative transactions		532,169	(832,102)
Total expenses		1,191,463	(334,932)
Other Income:
Income before income taxes		41,036	1,082,440
Net income		41,036	1,082,440
Total assets
Total assets		70,788,707		70,163,422
Operating Segments [Member] | Market-Rate Joint Venture Investments [Member]
Revenues:
Investment income		3,199,185	1,624,169
Total revenues		3,199,185	1,624,169
Expenses:
Interest expense		1,033,879	537,626
Total expenses		1,033,879	537,626
Other Income:
Gain on sale of investments in unconsolidated entities		5,220	50,000
Earnings (losses) from investments in unconsolidated entities		(233,334)	(106,845)
Income before income taxes		1,937,192	1,029,698
Net income		1,937,192	1,029,698
Total assets
Total assets		170,742,061		183,508,429
Operating Segments [Member] | MF Properties [Member]
Other Income:
Income tax benefit		(2,733)	(1,198)
Net income		2,733	$ 1,198
Total assets
Total assets		7,785,639		7,782,906
Consolidation, Eliminations [Member]
Total assets
Total assets		$ (87,948,490)		$ (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 $1,280,250,847 and $1,332,121,374 as of March 31, 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 $367,905,714 and $370,876,249 as of March 31, 2025 and December 31, 2024, respectively. See Note 3 - Variable Interest Entities for further detail.