CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-In Capital	Retained (Deficit) Earnings	Treasury Stock	Accumulated Other Comprehensive Income (Loss)	Total
Beginning balances at Dec. 31, 2018	$ 220	$ 183,834	$ 189,324	$ (370)	$ (13,791)	$ 359,217
Increase (Decrease) in Stockholders' Equity
Net (loss) income			8,043			8,043
Other comprehensive (loss) income					998
Share-based compensation		1,222
Stock option exercised and issuance of common stock and restricted common stock	1	(1,103)
Dividends paid			(3,970)
Repurchase of common stock				(916)
Ending balances at Mar. 31, 2019	221	183,953	193,397	(1,286)	(12,793)	363,492
Beginning balances at Dec. 31, 2019	315	816,345	206,574		(11,854)	$ 1,011,380
Balance (in shares) at Dec. 31, 2019						31,461
Increase (Decrease) in Stockholders' Equity
Net (loss) income			(298,086)			$ (298,086)
Other comprehensive (loss) income					(14,357)
Share-based compensation		1,564
Stock option exercised and issuance of common stock and restricted common stock		(360)
Dividends paid			(5,667)
Share-based payments of business development and integration expenses		181
Repurchase of common stock				(18,332)
Ending balances at Mar. 31, 2020	$ 315	$ 817,730	$ (97,179)	$ (18,332)	$ (26,211)	$ 676,323
Balance (in shares) at Mar. 31, 2020						31,503