CONDENSED STATEMENTS OF CHANGES IN PARTNERS' CAPITAL (DEFICIT) - 6 months ended Sep. 30, 2016 - USD ($)	Total	Assignees [Member]	General Partner [Member]	Series Fifteen [Member]	Series Fifteen [Member] Assignees [Member]	Series Fifteen [Member] General Partner [Member]	Series Sixteen [Member]	Series Sixteen [Member] Assignees [Member]	Series Sixteen [Member] General Partner [Member]	Series Seventeen [Member]	Series Seventeen [Member] Assignees [Member]	Series Seventeen [Member] General Partner [Member]	Series Eighteen [Member]	Series Eighteen [Member] Assignees [Member]	Series Eighteen [Member] General Partner [Member]	Series Nineteen [Member]	Series Nineteen [Member] Assignees [Member]	Series Nineteen [Member] General Partner [Member]
Partners' capital (deficit) at Mar. 31, 2016	$ (13,627,514)	$ (11,735,510)	$ (1,892,004)	$ (2,900,287)	$ (2,549,095)	$ (351,192)	$ (7,810,224)	$ (7,265,514)	$ (544,710)	$ 616,006	$ 982,053	$ (366,047)	$ (3,809,905)	$ (3,461,578)	$ (348,327)	$ 276,896	$ 558,624	$ (281,728)
Net income (loss)	(84,523)	(83,678)	(845)	(60,543)	(59,938)	(605)	195,289	193,336	1,953	(83,581)	(82,745)	(836)	(75,561)	(74,805)	(756)	(60,127)	(59,526)	(601)
Partners' capital (deficit) at Sep. 30, 2016	$ (13,712,037)	$ (11,819,188)	$ (1,892,849)	$ (2,960,830)	$ (2,609,033)	$ (351,797)	$ (7,614,935)	$ (7,072,178)	$ (542,757)	$ 532,425	$ 899,308	$ (366,883)	$ (3,885,466)	$ (3,536,383)	$ (349,083)	$ 216,769	$ 499,098	$ (282,329)