Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Revenues [Abstract]
Rental income	$ 406,106	$ 405,769	$ 1,208,989	$ 1,208,188
Other	19,697	21,128	56,279	61,500
Total revenues	425,803	426,897	1,265,268	1,269,688
Expenses
General and administrative	176,271	179,634	523,545	520,899
General and administrative-related parties (Note 2)	237,722	96,281	455,406	316,049
Repairs and maintenance	90,531	76,718	319,601	253,479
Operating and other	43,501	37,906	120,707	132,372
Real estate taxes	25,135	24,929	75,374	77,969
Insurance	20,157	15,779	52,031	47,118
Interest	44,175	46,033	133,488	149,211
Change in fair value of rate swap		(6,800)		(18,300)
Depreciation and amortization	3,576	894	10,728	10,727
Total Expenses	641,068	471,374	1,690,880	1,489,524
Loss from Operations	(215,265)	(44,477)	(425,612)	(219,836)
Income from discontinued operations (including gain on sale of property) (Note 5)	10,670	11,270,770	10,680,430	11,245,605
Net Income (loss)	(204,595)	11,226,293	10,254,818	11,025,769
Net loss attributable to noncontrolling interests from operations	1,132	(211)	1,341	(381)
Net (income) loss attributable to noncontrolling interests from discontinued operations	(12,098)	(7,964)	(3,663,228)	(9,066)
Net income attributable to noncontrolling interests	(10,966)	(8,174)	(3,661,887)	(9,446)
Net income (loss) attributable to Independence Tax Credit Plus L.P. IV	(215,561)	11,218,119	6,592,931	11,016,323
Loss from operations limited partners	(211,992)	(44,241)	(420,028)	(218,016)
Income (loss) from discontinued operations – limited partners	(1,414)	11,150,179	6,947,030	11,124,174
Net income (loss) limited partners	$ (213,406)	$ 11,105,937	$ 6,527,002	$ 10,906,159
Number Of BACs Outstanding	45,844	45,844	45,844	45,844
Loss from operations limited partners per weighted average BAC	$ (4.62)	$ (0.97)	$ (9.16)	$ (4.76)
Income (loss) from discontinued operations limited partners per weighted average BAC	(0.03)	243.22	151.54	242.64
Net income (loss) per weighted average BAC	$ (4.65)	$ 242.25	$ 142.38	$ 237.89