Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock Par Value	Additional Paid-In Capital	Treasury Stock	Accumulated Translation Adjustment	Unrealized Gain (Loss) on Investment	Non-controlling Interest	Retained Earnings
Beginning balance at Dec. 31, 2019	$ 162,826	$ 1,283	$ 466,959	$ (19,164)	$ (52,183)	$ 0	$ 128,453	$ (362,522)
Stockholders' equity rollforward
Net income (loss) attributable to parent	(51,143)							(51,143)
Net income (loss), including portion attributable to noncontrolling interest	(98,933)						(47,790)
Translation adjustment, net of taxes	2,386				2,269		117
Comprehensive income (loss)	(96,547)
Distributions to public unitholders	(1,244)						(1,244)
Equity award activity	6	6	0	0
Treasury stock activity, net	(320)			(320)
Equity compensation expense	6,438		5,184				1,254
Other	(97)		(9)				(88)
Ending balance at Dec. 31, 2020	71,062	1,289	472,134	(19,484)	(49,914)	0	80,702	(413,665)
Stockholders' equity rollforward
Net income (loss) attributable to parent	103,333							103,333
Net income (loss), including portion attributable to noncontrolling interest	103,602						269
Translation adjustment, net of taxes	(4,623)				(4,623)		0
Comprehensive income (loss)	98,979
Distributions to public unitholders	(75,170)				7,605		(82,775)
Dividend	(110)						(110)
Equity award activity	12	12	0	0
Treasury stock activity, net	(473)			(473)
Equity compensation expense	5,244		4,664				580
Other	(981)		(1,174)				193
Ending balance at Dec. 31, 2021	98,563	1,301	475,624	(19,957)	(46,932)	0	(1,141)	(310,332)
Stockholders' equity rollforward
Net income (loss) attributable to parent	7,839
Net income (loss), including portion attributable to noncontrolling interest	7,796						(43)	7,839
Translation adjustment, net of taxes	(2,059)				(2,059)		0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(72)					(72)
Comprehensive income (loss)	5,665
Equity compensation expense	4,482		4,482				0
Other	(2,313)	17	(2,286)				(44)
Ending balance at Dec. 31, 2022	$ 106,397	$ 1,318	$ 477,820	$ (19,957)	$ (48,991)	$ (72)	$ (1,228)	$ (302,493)