CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income	Accumulated Deficit	Total
Balance at Dec. 31, 2018	$ 46	$ 471,331	$ (10,928)	$ (609,451)	$ (149,002)
Balance (in shares) at Dec. 31, 2018	46,336,499
Increase (Decrease) in Stockholders' Equity
Forfeitures of shares granted to employees (in shares)	(12,632)
Equity-based compensation		20,210			20,210
Foreign currency translation			(1,398)		(1,398)
Issuances of common stock	$ 1				1
Issuances of common stock (in shares)	473,550
Exercises of options		1,637			1,637
Exercises of options (in shares)	43,017
Dividends paid				112,647	112,647
Net income				37,520	37,520
Balance at December 31, 2019 at Dec. 31, 2019	$ 47	493,178	(12,326)	(684,578)	(203,679)
Balance at December 31, 2019 (in shares) at Dec. 31, 2019	46,840,434
Increase (Decrease) in Stockholders' Equity
Forfeitures of shares granted to employees (in shares)	(53,428)
Equity-based compensation		25,802			25,802
Foreign currency translation			11,020		11,020
Issuances of common stock (in shares)	476,030
Exercises of options		1,382			1,382
Exercises of options (in shares)	30,097
Dividends paid				129,412	129,412
Net income				6,216	6,216
Common stock purchases and retirement		4,495			4,495
Common stock purchases and retirement (in shares)	(79,056)
Balance at December 31, 2019 at Dec. 31, 2020	$ 47	515,867	(1,306)	(807,774)	$ (293,166)
Balance at December 31, 2019 (in shares) at Dec. 31, 2020	47,214,077				47,214,077
Increase (Decrease) in Stockholders' Equity
Forfeitures of shares granted to employees (in shares)	(47,436)
Equity-based compensation		30,044			$ 30,044
Foreign currency translation			(9,697)		(9,697)
Issuances of common stock	$ 1				1
Issuances of common stock (in shares)	471,080
Exercises of options		1,823			1,823
Exercises of options (in shares)	36,468
Dividends paid				150,288	150,288
Net income				48,185	48,185
Balance at December 31, 2019 at Dec. 31, 2021	$ 48	$ 547,734	$ (11,003)	$ (909,877)	$ (373,098)
Balance at December 31, 2019 (in shares) at Dec. 31, 2021	47,674,189				47,674,189