CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Nov. 30, 2014	Feb. 28, 2014
Class A Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	170,000,000	170,000,000
Common stock, shares issued	38,927,873	37,267,123
Common stock, shares outstanding	38,927,873	37,267,123
Class B Common Stock
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	30,000,000	30,000,000
Common stock, shares issued	4,569,464	4,569,464
Common stock, shares outstanding	4,569,464	4,569,464
Series A preferred stock
Series A non-cumulative convertible preferred stock, par value	$ 0.01	$ 0.01
Series A non-cumulative convertible preferred stock, liquidation preference	$ 50.00	$ 50.00
Series A non-cumulative convertible preferred stock, aggregate liquidation preference and redemption amount	$ 46,450	$ 46,450
Series A non-cumulative convertible preferred stock, shares authorized	2,875,000	2,875,000
Series A non-cumulative convertible preferred stock, shares issued	928,991	1,328,991
Series A non-cumulative convertible preferred stock, shares outstanding	928,991	1,328,991
Shares in trust
Series A non-cumulative convertible preferred stock, shares in trust	0	400,000