Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating activities:
Net income (loss)	$ 103,602	$ (98,933)	$ (160,500)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, amortization, and accretion	33,532	118,747	124,278
(Gain on sale) or loss on disposal of discontinued operations	(120,137)	0	7,500
Impairments and other charges	581	20,940	95,196
Impairment of goodwill	0	0	25,784
Unrealized loss on CSI Compressco units	2,227	0	0
Realized gain on sale of Standard Lithium shares	(15,479)	0	0
Equity-based compensation expense	4,664	6,616	8,127
(Recovery of) provision for doubtful accounts	(654)	6,857	5,039
Amortization and expense of financing costs	3,091	5,252	4,782
CSI Compressco debt exchange expenses	0	4,892	0
CSI Compressco Series A Preferred Unit distributions and adjustments	0	0	(3,574)
Gain on sale of assets	(482)	(4,668)	(2,333)
Other non-cash charges and credits	(805)	(706)	(4,692)
Changes in operating assets and liabilities, net of assets acquired:
Accounts receivable	(27,795)	62,569	6,471
Inventories	5,387	16,983	(2,770)
Prepaid expenses and other current assets	(6,533)	1,672	579
Trade accounts payable and accrued expenses	27,006	(62,274)	(16,545)
Other	(3,548)	(1,035)	(4,258)
Net cash provided by operating activities	4,657	76,912	90,232
Investing activities:
Purchases of property, plant, and equipment, net	(20,533)	(29,386)	(108,273)
Acquisition of businesses, net of cash acquired	0	0	(12,024)
Purchase of CarbonFree convertible note	(5,000)	0	0
Proceeds from sale of investment	17,627	0	0
Proceeds from sale of property, plant, and equipment	1,687	36,168	12,885
Proceeds from insurance recoveries associated with damaged equipment	110	643	1,771
Other investing activities	934	(1,387)	(801)
Net cash provided by (used in) investing activities	(5,175)	6,038	(106,442)
Financing activities:
Proceeds from long-term debt	1,614	477,647	282,590
Principal payments on long-term debt	(50,477)	(487,574)	(258,217)
Distributions to CSI Compressco public unitholders	0	(1,244)	(1,233)
Redemptions of CSI Compressco Series A Preferred	0	0	(28,049)
Debt issuance costs and other financing activities	(1,191)	(6,458)	(1,016)
Net cash used in financing activities	(50,054)	(17,629)	(5,925)
Effect of exchange rate changes on cash	(1,771)	805	(199)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(52,343)	66,126	(22,334)
Cash and cash equivalents and restricted cash at beginning of period	83,894	17,768	40,102
Cash and cash equivalents at beginning of period associated with discontinued operations	16,577	2,370	15,858
Cash and cash equivalents and restricted cash at beginning of period associated with continuing operations	67,317	15,398	24,244
Cash and cash equivalents and restricted cash at end of period	31,551	83,894	17,768
Cash and cash equivalents and restricted cash at end of period associated with discontinued operations	0	16,577	2,370
Cash and cash equivalents and restricted cash at end of period associated with continuing operations	$ 31,551	$ 67,317	$ 15,398