CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2018		42,907,326
Beginning balance at Dec. 31, 2018	$ 366,349	$ 13	$ 332,330	$ 34,187	$ (181)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of derivative guidance	0			(172)	172
Stock-based compensation	829		829
Vesting of restricted stock units (in shares)		93,014
Vesting of restricted stock units	0
Tax withholding payment related to net share settlement of equity awards (in shares)		(13,657)
Tax withholding payment related to net share settlement of equity awards	(130)		(130)
Other comprehensive loss	(2,098)				(2,098)
Net income	3,482			3,482
Ending balance (in shares) at Mar. 31, 2019		42,986,683
Ending balance at Mar. 31, 2019	368,432	$ 13	330,339	37,497	(2,107)
Beginning balance (in shares) at Dec. 31, 2018		42,907,326
Beginning balance at Dec. 31, 2018	366,349	$ 13	332,330	34,187	(181)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Adoption of derivative guidance				200
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)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	1,393		1,393
Vesting of restricted stock units (in shares)		237,988
Vesting of restricted stock units	0
Tax withholding payment related to net share settlement of equity awards (in shares)		(27,948)
Tax withholding payment related to net share settlement of equity awards	(362)		(362)
Other comprehensive loss	(7,542)				(7,542)
Net income	14,376			14,376
Ending balance (in shares) at Mar. 31, 2020		43,201,056
Ending balance at Mar. 31, 2020	$ 416,030	$ 13	$ 337,393	$ 88,630	$ (10,006)