Taxable Net Income (Details) - USD ($)	12 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Income Tax Disclosure [Abstract]
Net Income Loss Attributable To Independence Tax Credit Plus L.P. IV	$ 4,761,617	$ 6,683,292	[1]
Differences between depreciation and amortization expense records for financial reporting purposes and income tax purposes	(568,750)	(876,364)
Differences resulting from Partnership having a different fiscal year for tax and financial reporting purposes		708
Tax exempt interest income	(10)	(18)
Differences between gain on sale of property for financial reporting purposes and gain on sale for income tax purposes	(10,010,436)	(4,843,016)
Other, including accruals for financial reporting purposes not deductible for tax purposes until paid	1,234,917	1,373,131
Net loss per income tax return	(4,582,662)	$ 2,337,733
Tax basis net assets exceeded the financial statement net assets	$ 1,500,000

[1] Reclassified for comparative purposes.