Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Adjustment	Common Stock	Additional Paid-In Capital	Additional Paid-In Capital Adjustment	Accumulated Earnings	Accumulated Earnings Adjustment	Accumulated Other Comprehensive (Loss) Income	Noncontrolling Interest
Balance at beginning of period (shares) at Dec. 31, 2019			31,097,000
Balance at beginning of period at Dec. 31, 2019	$ 1,025,406	$ (44,238)	$ 311	$ 222,590		$ 888,058	$ (44,238)	$ (88,766)	$ 3,213
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	(10,579)					(10,454)			(125)
Other comprehensive income, net of tax	(64,592)							(64,589)	(3)
Exercise of stock options and issuance of share-based awards, net of shares withheld for employee taxes (shares)			137,000
Exercise of stock options and issuance of share-based awards, net of shares withheld for employee taxes	(4,713)		$ 1	(4,714)
Stock-based compensation	4,527			4,527
Balance at end of period (shares) at Mar. 31, 2020			31,234,000
Balance at end of period at Mar. 31, 2020	905,811		$ 312	222,403		833,366		(153,355)	3,085
Balance at beginning of period (shares) at Dec. 31, 2020			31,345,000
Balance at beginning of period at Dec. 31, 2020	1,220,076	$ (17,914)	$ 313	230,440	$ (40,372)	1,055,668	$ 22,458	(68,813)	2,468
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	94,765					94,630			135
Other comprehensive income, net of tax	4,273							4,272	1
Exercise of stock options and issuance of share-based awards, net of shares withheld for employee taxes (shares)			183,000
Exercise of stock options and issuance of share-based awards, net of shares withheld for employee taxes	$ (5,431)		$ 2	(5,433)
Stock Repurchased During Period, Shares	(517,860)		(518,000)
Stock Repurchased During Period, Value	$ (20,390)		$ (5)	(20,385)
Stock-based compensation	3,405			3,405
Balance at end of period (shares) at Mar. 31, 2021			31,010,000
Balance at end of period at Mar. 31, 2021	$ 1,278,784		$ 310	$ 167,655		$ 1,172,756		$ (64,541)	$ 2,604