Stock-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2015

Stock-Based Compensation [Abstract]

Disclosure of restricted stock award activity

The following tables summarize our restricted stock award activity for the three and nine months ended September 30, 2015 and 2014.

	Three Months Ended September 30, 2015
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of period	104.6		$	18.04
Granted	11.2		19.94
Vested	(13.2	)	18.97
Forfeited	—		—
Outstanding (unvested) at end of period	102.6		$	18.13

	Nine Months Ended September 30, 2015
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of period	183.1		$	16.78
Granted	15.4		21.07
Vested	(95.9	)	16.25
Forfeited	—		—
Outstanding (unvested) at end of period	102.6		$	18.13

	Three Months Ended September 30, 2014
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of period	147.4		$	14.16
Granted	2.0		22.19
Vested	(1.0	)	—
Forfeited	(4.2	)	13.57
Outstanding (unvested) at end of period	144.2		$	14.21

	Nine Months Ended September 30, 2014
	Number of Shares of Restricted Stock Awards (in thousands)		Weighted Average Grant Date Fair Value
Unvested at beginning of period	211.6		$	13.81
Granted	10.5		22.04
Vested	(73.7	)	—
Forfeited	(4.2	)	13.57
Outstanding (unvested) at end of period	144.2		$	14.21