Share Based Awards (Details 4) (USD $)	3 Months Ended
	Jun. 30, 2012
Schedule of Employee Stock Options and Performance Based Awards by Nonvested Stock Options
Non-Vested Number of Shares Outstanding Beginning Balance	778,319
Weighted Average Fair Value Price per Share Outstanding Beginning Balance	$ 10.76
Non-Vested Number of Shares Granted	491,500
Weighted Average Fair Value per Share Price Granted	$ 8.56
Non-Vested Number of Shares Vested	(134,534)
Weighted Average Fair Value per Share Price Vested	$ 9.54
Non-Vested Number of Shares Forfeited	(2,000)
Weighted Average Fair Value per Share Price Forfeited	$ 10.25
Non-Vested Number of Share Outstanding Ending Balance	1,133,285
Weighted Average Fair Value per Share Price Outstanding Ending Balance	$ 9.95