Net Assets in Liquidation - Schedule of GUC Trust Units (Parenthetical) (Detail)	12 Months Ended			0 Months Ended
	Mar. 31, 2015 Trust	Mar. 31, 2014 Trust	Mar. 31, 2013 Trust	Dec. 02, 2013 Trust
Schedule Of GUC Trust Units [Line Items]
Distribution of trust units	10,326	1,644,941	274,604
Nova Scotia Matter [Member]
Schedule Of GUC Trust Units [Line Items]
Distribution of trust units		1,550,000		1,550,000