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, 2020	$ 71,062	$ 1,289	$ 472,134	$ (19,484)	$ (49,914)	$ 0	$ 80,702	$ (413,665)
Stockholders' equity rollforward
Net income (loss), retained deficit	103,333							103,333
Net income (loss)	103,602						269
Translation adjustment, net of taxes of zero	(4,623)				(4,623)
Comprehensive income	98,979
Deconsolidation of CSI Compressco	(75,170)				7,605		(82,775)
Dividend	(110)						(110)
Equity award activity	12	12
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), retained deficit	7,839							7,839
Net income (loss)	7,796						(43)
Translation adjustment, net of taxes of zero	(2,059)				(2,059)
Other comprehensive income (loss)	(72)
Comprehensive income	5,665
Equity compensation expense	4,482		4,482
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)
Stockholders' equity rollforward
Net income (loss), retained deficit	25,784							25,784
Net income (loss)	25,757						(27)
Translation adjustment, net of taxes of zero	3,105				3,105
Other comprehensive income (loss)	727
Comprehensive income	29,589
Equity compensation expense	12,881		12,881
Other	(1,533)	14	(1,545)				(2)
Ending balance at Dec. 31, 2023	$ 147,334	$ 1,332	$ 489,156	$ (19,957)	$ (45,886)	$ 655	$ (1,257)	$ (276,709)