Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2013

Stock Incentive Plans

Restricted Common Stock Activity in Stock Incentive Plans

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested at January 1, 2013		1,146,657		$    14.87
Granted		531,110		9.70
Vested		(275,905	)	(23.75	)
Forfeited		(38,902	)	(11.46	)
Nonvested at March 31, 2013		1,362,960		11.16