CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Other Comprehensive (Loss) Income
Beginning balance (in shares) at Dec. 31, 2017		42,865,407
Beginning balance at Dec. 31, 2017	$ 378,664	$ 13	$ 330,113	$ 46,184	$ 2,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Reclassification from AOCI to retained earnings				186	(186)
Stock-based compensation	2,278		2,278
Vesting of restricted stock units, net of shares withheld for taxes (in shares)		41,919
Vesting of restricted stock units, net of shares withheld for taxes	61		61
Total stock-based compensation expense, net of tax	(2,349)				(2,349)
Net income	(12,183)			(12,183)
Ending balance (in shares) at Dec. 31, 2018		42,907,326
Ending balance at Dec. 31, 2018	366,349	$ 13	332,330	34,187	(181)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of derivative guidance				(172)	172
Reclassification from AOCI to retained earnings				200
Stock-based compensation	4,187		4,187
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited		98,474
Total stock-based compensation expense, net of tax	(2,455)				(2,455)
Tax withholding payment related to net share settlement of equity awards (in shares)		(14,784)
Tax withholding payment related to net share settlement of equity awards	(155)		(155)
Net income	40,239			40,239
Ending balance (in shares) at Dec. 31, 2019		42,991,016
Ending balance at Dec. 31, 2019	$ 408,165	$ 13	$ 336,362	$ 74,254	$ (2,464)