Consolidated Statements of Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interest
Balance at beginning of period (shares) at Dec. 31, 2018		30,884
Balance at beginning of period at Dec. 31, 2018	$ 819,688	$ 309	$ 208,498	$ 720,189	$ (110,987)	$ 1,679
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	49,442			49,254		188
Other comprehensive (loss) gain, net of tax	5,550				5,123	427
Exercise of stock options and issuance of share-based awards, net of shares withheld for employee taxes (shares)		83
Exercise of stock options and issuance of share-based awards, net of shares withheld for employee taxes	(1,949)	$ 1	(1,950)
Stock-based compensation	1,826		1,826
Balance at end of period (shares) at Mar. 31, 2019		30,967
Balance at end of period at Mar. 31, 2019	874,557	$ 310	208,374	769,443	(105,864)	2,294
Balance at beginning of period (shares) at Dec. 31, 2019		31,097
Balance at beginning of period at Dec. 31, 2019	1,025,406	$ 311	222,590	888,058	(88,766)	3,213
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(10,579)			(10,454)		(125)
Other comprehensive (loss) gain, 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
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
Balance at end of period at Mar. 31, 2020	$ 905,811	$ 312	$ 222,403	$ 833,366	$ (153,355)	$ 3,085