Investment in Mesquite (Details) - Mesquite - USD ($) $ in Thousands	3 Months Ended
	May 31, 2016	May 31, 2015
Schedule of Equity Method Investments [Line Items]
Net operating revenues	$ 28,849	$ 28,294
Operating income (loss)	5,696	5,389
Net income (loss)	$ 4,728	$ 4,392