Segments - Summary of Partnership Reportable Segment Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Total revenues
Total revenues	$ 22,029,835	$ 22,604,404	$ 17,232,967	$ 19,206,371	$ 19,976,409	$ 17,681,901	$ 16,406,496	$ 14,387,488	$ 81,073,577	$ 68,452,294
Interest expense
Interest expense									30,464,451	21,943,885
Depreciation expense
Depreciation expense									2,717,415	2,732,922
Net income (loss)
Net income (loss)									65,562,166	38,099,488
Total assets
Total assets	1,567,129,565				1,385,909,483				1,567,129,565	1,385,909,483
Operating Segments [Member] | Affordable Multifamily MRB Investments [Member]
Total revenues
Total revenues									63,374,549	46,198,552
Interest expense
Interest expense									28,544,715	20,382,143
Depreciation expense
Depreciation expense									23,846	23,495
Net income (loss)
Net income (loss)									17,330,756	8,619,813
Total assets
Total assets	1,520,609,550				1,304,626,248				1,520,609,550	1,304,626,248
Operating Segments [Member] | Seniors and Skilled Nursing MRB Investments [Member]
Total revenues
Total revenues									713,036	77,979
Interest expense
Interest expense									5,750
Net income (loss)
Net income (loss)									704,994	72,020
Total assets
Total assets	3,551,307				13,533,020				3,551,307	13,533,020
Operating Segments [Member] | Market-Rate Joint Venture Investments [Member]
Total revenues
Total revenues									9,130,486	14,967,102
Interest expense
Interest expense									870,497	428,018
Net income (loss)
Net income (loss)									48,054,241	30,055,826
Total assets
Total assets	120,089,351				112,052,513				120,089,351	112,052,513
Operating Segments [Member] | MF Properties [Member]
Total revenues
Total revenues									7,855,506	7,208,661
Interest expense
Interest expense									1,043,489	1,133,724
Depreciation expense
Depreciation expense									2,693,569	2,709,427
Net income (loss)
Net income (loss)									(527,825)	(648,171)
Total assets
Total assets	41,699,828				66,501,994				41,699,828	66,501,994
Consolidation, Eliminations [Member]
Total assets
Total assets	$ (118,820,471)				$ (110,804,292)				$ (118,820,471)	$ (110,804,292)