Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 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	536,110		9.70
Vested	(275,905	)	(23.75	)
Forfeited	(90,306	)	(11.00	)
Nonvested at June 30, 2013	1,316,556		11.17