Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2019

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, 2019				June 30, 2018
	Number of Awards		Weighted average grant-date fair value		Number of Awards		Weighted average grant-date fair value
Outstanding at beginning of period	969,928		$	15.89	873,849		$	12.30
Granted	295,096		23.22		207,295		26.50
Converted	(153,464	)	17.29		(96,616	)	10.89
Expired	(5,600	)	23.78		(500	)	28.38
Forfeited	(2,600	)	22.16		(2,600	)	26.76
Outstanding at end of period	1,103,360		$	17.61	981,428		$	15.39
Vested	337,060		$	8.04	326,928		$	7.18