Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

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

Summary of common stock option activity

A summary of the Company’s common stock option activity as of and for the six months ended June 30, 2017 and 2016 is presented below:

	Six Months Ended June 30,
	2017				2016
	Number of Shares		Weighted-Average Exercise Price per Share		Number of Shares		Weighted-Average Exercise Price per Share
Stock Option Activity
Outstanding, beginning of period	835,786		$	11.00	840,298		$	11.00
Granted	—		$	—	—		$	—
Exercised	(9,288	)	$	11.00	—		$	—
Forfeited	—		$	—	(4,512	)	$	11.00
Outstanding, end of period	826,498		$	11.00	835,786		$	11.00
Exercisable, end of period	826,498		$	11.00	44,442		$	11.00

Summary of restricted stock units

A summary of the Company’s restricted stock unit activity as of and for the six months ended June 30, 2017 and 2016 is presented below:

	Six Months Ended June 30,
	2017				2016
	Number of Shares		Weighted-Average Grant-Date Fair Value per Share		Number of Shares		Weighted-Average Grant-Date Fair Value per Share
Restricted Stock Unit Activity
Outstanding, beginning of period	474,989		$	10.66	308,386		$	14.20
Granted	343,933		$	10.84	409,509		$	10.05
Vested	(209,619	)	$	10.76	(231,289	)	$	14.22
Forfeited	(26,194	)	$	10.82	(3,980	)	$	13.68
Outstanding, end of period	583,109		$	10.72	482,626		$	10.67

Summary of stock-based compensation expense

The expense related to the Company's stock-based compensation programs, included in general and administrative expense in the accompanying condensed consolidated statements of operations, was as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2017		2016		2017		2016
	(Dollars in thousands)
Expense related to:
Stock options	$	—	$	185	$	11	$	447
Restricted stock units	695		572		1,295		1,295
	$	695	$	757	$	1,306	$	1,742