Investment in Mesquite (Details) (Mesquite, USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 30, 2014	Nov. 30, 2013	Nov. 30, 2014	Nov. 30, 2013
Mesquite
Schedule of Equity Method Investments [Line Items]
Net operating revenues	$ 19,925	$ 19,231	$ 70,733	$ 70,775
Operating income	(1,732)	(2,539)	3,276	4,160
Net income	$ (2,707)	$ (4,640)	$ 225	$ 2,509