Investment in Mesquite (Details) (USD $)	3 Months Ended		9 Months Ended
	Nov. 30, 2013	Nov. 30, 2012	Nov. 30, 2013	Nov. 30, 2012
Schedule of Equity Method Investments [Line Items]
Operating income	$ 7,092,000	$ 6,816,000	$ 23,617,000	$ 20,629,000
Net Income (loss)	3,184,000	1,973,000	11,819,000	7,822,000
Mesquite
Schedule of Equity Method Investments [Line Items]
Net operating revenues	19,231,000	20,056,000	70,775,000	74,553,000
Operating income	(2,539,000)	(2,293,000)	4,160,000	976,000
Net Income (loss)	$ (4,640,000)	$ (3,795,000)	$ 2,509,000	$ (3,532,000)