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]	Noncontrolling Interest [Member]	Total
Common stock beginning balance, share at Dec. 31, 2018	46,195,000
Beginning balance, value at Dec. 31, 2018	$ 462	$ (610,177)	$ 353,932	$ (124,596)	$ 725,551	$ 7,677	$ 352,849
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)					19,002	1,474	20,476
Dividends to shareholders					(13,864)		(13,864)
Capital contribution from noncontrolling interest						1,330	1,330
Dividends distributed to noncontrolling interest						(900)	(900)
Foreign currency translation adjustments				1,602		29	1,631
Derivatives valuation, net of tax				3,061			3,061
Vesting of restricted stock units, share	102,000
Vesting of restricted stock units, value	$ 1	1,687	(3,461)				(1,773)
Equity-based compensation expense			3,168				3,168
Other, net of tax.				55			55
Common stock ending balance, share at Mar. 31, 2019	46,297,000
Ending balance, value at Mar. 31, 2019	$ 463	(608,490)	353,639	(119,878)	729,930	9,610	365,274
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative Effect of New Accounting Principle in Period of Adoption					(759)		$ (759)
Preferred stock beginning balance, share at Dec. 31, 2019							0
Common stock beginning balance, share at Dec. 31, 2019	46,489,000						46,488,938
Beginning balance, value at Dec. 31, 2019	$ 465	(605,314)	356,409	(106,234)	773,218	13,186	$ 431,730
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)					21,534	2,216	23,750
Dividends to shareholders					(15,843)		(15,843)
Dividends distributed to noncontrolling interest						(1,850)	(1,850)
Foreign currency translation adjustments				(29,298)		(516)	(29,814)
Derivatives valuation, net of tax				(7,803)			(7,803)
Vesting of restricted stock units, share	108,000
Vesting of restricted stock units, value	$ 1	1,783	(3,594)				(1,810)
Equity-based compensation expense			2,919				2,919
Other, net of tax.				127			$ 127
Preferred stock ending balance, share at Mar. 31, 2020							0
Common stock ending balance, share at Mar. 31, 2020	46,597,000						46,596,873
Ending balance, value at Mar. 31, 2020	$ 466	$ (603,531)	$ 355,734	$ (143,208)	$ 778,909	$ 13,036	$ 401,406
Temporary Equity, Beginning Balance at Dec. 31, 2019							48,923
Increase (Decrease) in Temporary Equity [Roll Forward]
Temporary Equity, Net Income							935
Acquisition of noncontrolling interest							3,750
Temporary equity distributions.							(241)
Temporary Equity, Ending Balance at Mar. 31, 2020							$ 53,367