Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) - USD ($) $ in Thousands	Total	Restricted Stock Units	Common stock, par value $0.01 per share	Restricted stock units Restricted Stock Units	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)	Treasury stock, at cost, par value $0.01 per share
Beginning Balance at Dec. 31, 2020			$ 487	$ 59,412	$ 937,025	$ 95,424	$ (25,501)	$ (978,780)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued			19		31,624
Restricted stock units recognized, net of forfeitures				22,535
Restricted stock units delivered				(32,501)
Dividends						(3,869)
Net income (loss)	$ 13,403					13,403
Currency translation adjustment, net of tax							(5,188)
Repurchased		$ (11,900)						(33,370)
Ending Balance at Sep. 30, 2021	80,720		506	49,446	968,649	104,958	(30,689)	(1,012,150)
Beginning Balance at Jun. 30, 2021			505	44,131	966,483	86,114	(26,654)	(1,002,623)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued			1		2,166
Restricted stock units recognized, net of forfeitures				7,496
Restricted stock units delivered				(2,181)
Dividends						(1,300)
Net income (loss)	20,144					20,144
Currency translation adjustment, net of tax							(4,035)
Repurchased								(9,527)
Ending Balance at Sep. 30, 2021	80,720		506	49,446	968,649	104,958	(30,689)	(1,012,150)
Beginning Balance at Dec. 31, 2021	104,935		506	56,495	969,719	132,559	(30,443)	(1,023,901)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued			19		26,602
Restricted stock units recognized, net of forfeitures				23,218
Restricted stock units delivered				(25,877)
Dividends						(7,567)
Net income (loss)	(16,627)					(16,627)
Currency translation adjustment, net of tax							(16,128)
Repurchased		$ (13,700)						(30,434)
Ending Balance at Sep. 30, 2022	58,141		525	53,836	996,321	108,365	(46,571)	(1,054,335)
Beginning Balance at Jun. 30, 2022			524	48,702	994,378	96,581	(36,245)	(1,054,096)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock issued			1		1,943
Restricted stock units recognized, net of forfeitures				6,814
Restricted stock units delivered				(1,680)
Dividends						(2,427)
Net income (loss)	14,211					14,211
Currency translation adjustment, net of tax							(10,326)
Repurchased								(239)
Ending Balance at Sep. 30, 2022	$ 58,141		$ 525	$ 53,836	$ 996,321	$ 108,365	$ (46,571)	$ (1,054,335)