Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Equity Instruments Other Than Options, Activity

The table below summarizes award activity.

	Six Months Ended
	June 30, 2015				June 30, 2014
	Number of Awards		Weighted average grant-date fair value		Number of Awards		Weighted average grant-date fair value
Outstanding at beginning of period	1,406,550		$	6.21	1,477,762		$	5.83
Granted	390,200		9.61		467,567		7.52
Converted	(263,791	)	6.42		(186,179	)	7.50
Expired	(1,600	)	10.11		(4,300	)	7.64
Forfeited	—		—		(17,800	)	6.26
Outstanding at end of period	1,531,359		$	7.04	1,737,050		$	6.10
Vested	329,059		$	5.61	415,550		$	5.28