Consolidated Statement of Stockholders' Equity and Mezzanine Equity - USD ($) $ in Thousands	Stockholders' Equity of the Company Common Stock [Member]	Stockholders' Equity of the Company Treasury Stock [Member]	Stockholders' Equity of the Company Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss)	Stockholders' Equity of the Company Retained Earnings [Member] Cumulative Effect, Period of Adoption, Adjustment	Stockholders' Equity of the Company Retained Earnings [Member]	Noncontrolling Interest [Member]	Cumulative Effect, Period of Adoption, Adjustment	Total
Common stock beginning balance, share at Dec. 31, 2017	45,862,000
Beginning balance, value at Dec. 31, 2017	$ 459	$ (615,677)	$ 351,725	$ (102,304)		$ 721,664	$ 6,978		$ 362,845
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						35,817	3,938		39,755
Dividends to shareholders						(25,346)			(25,346)
Dividends distributed to noncontrolling interest							(2,925)		(2,925)
Foreign currency translation adjustments				(30,068)			(314)		(30,382)
Derivatives valuation, net of tax				7,468					7,468
Vesting of restricted stock units, share	318,000
Vesting of restricted stock units, value	$ 3	5,252	(9,898)						(4,643)
Exercise of stock options, share	15,000
Exercise of stock options, value		248	(40)						208
Equity-based compensation expense			12,145						12,145
Other, net of tax.				308					308
Common stock ending balance, share at Dec. 31, 2018	46,195,000
Ending balance, value at Dec. 31, 2018	$ 462	(610,177)	353,932	(124,596)	$ (6,584)	725,551	7,677	$ (6,584)	352,849
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						77,164	6,969		84,133
Dividends to shareholders						(28,739)			(28,739)
Capital contribution from noncontrolling interest							3,362		3,362
Dividends distributed to noncontrolling interest							(4,950)		(4,950)
Foreign currency translation adjustments				6,688			128		6,816
Derivatives valuation, net of tax				12,460					12,460
Vesting of restricted stock units, share	294,000
Vesting of restricted stock units, value	$ 3	4,863	(10,337)						(5,471)
Equity-based compensation expense			12,814						12,814
Other, net of tax.				(786)					$ (786)
Preferred stock ending balance, share at Dec. 31, 2019									0
Common stock ending balance, share at Dec. 31, 2019	46,489,000								46,488,938
Ending balance, value at Dec. 31, 2019	$ 465	(605,314)	356,409	(106,234)	$ (758)	773,218	13,186	$ (758)	$ 431,730
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Net Income									601
Acquisition of noncontrolling interest									48,322
Temporary Equity, Ending Balance at Dec. 31, 2019									48,923
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)						118,648	8,156		126,804
Dividends to shareholders						(134,554)			(134,554)
Dividends distributed to noncontrolling interest							(8,478)		(8,478)
Foreign currency translation adjustments				29,341			196		29,537
Derivatives valuation, net of tax				4,249					4,249
Vesting of restricted stock units, share	248,000
Vesting of restricted stock units, value	$ 2	4,100	(8,623)						(4,521)
Equity-based compensation expense			12,507						12,507
Other, net of tax.				488					$ 488
Preferred stock ending balance, share at Dec. 31, 2020									0
Common stock ending balance, share at Dec. 31, 2020	46,737,000								46,737,033
Ending balance, value at Dec. 31, 2020	$ 467	$ (601,214)	$ 360,293	$ (72,156)		$ 757,312	$ 13,060		$ 457,762
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Net Income									2,527
Acquisition of noncontrolling interest									3,849
Temporary equity distributions.									(2,323)
Temporary Equity, Ending Balance at Dec. 31, 2020									$ 52,976