Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Operating activities:
Net income (loss)	$ 104,780	$ (68,941)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation, amortization, and accretion	25,524	88,906
Gain on GP Sale	(120,574)	0
Impairment and other charges	449	14,445
Gain on retained CSI Compressco units and Standard Lithium shares	(11,803)	0
Equity-based compensation expense	3,611	4,847
Amortization and expense of financing costs and deferred financing gains	2,320	3,698
Debt-related expenses	0	4,777
Warrants fair value adjustment	(143)	(326)
Gain on sale of assets	(479)	(4,340)
Other non-cash charges	(340)	5,814
Changes in operating assets and liabilities:
Accounts receivable	(15,246)	62,039
Inventories	2,449	11,780
Prepaid expenses and other current assets	(2,927)	(916)
Trade accounts payable and accrued expenses	25,231	(57,844)
Other	(2,428)	888
Net cash provided by (used in) operating activities	10,424	64,827
Investing activities:
Purchases of property, plant, and equipment, net	14,620	22,011
Proceeds from sale of CCLP, net of cash divested	566	0
Proceeds on sale of property, plant, and equipment	1,016	24,704
Proceeds from Insurance Settlement, Investing Activities	110	643
Other investing activities	764	(576)
Net cash provided by (used in) investing activities	(12,164)	2,760
Financing activities:
Proceeds from long-term debt	0	404,060
Principal payments on long-term debt	(37,477)	(408,666)
CSI Compressco distributions	0	(932)
Tax remittances on equity based compensation	0	(341)
Dividend payments attributable to noncontrolling interest	(99)	0
Debt issuance costs and other financing activities	(1,080)	(3,897)
Net cash provided by (used in) financing activities	(38,656)	(9,776)
Effect of exchange rate changes on cash	(1,635)	(355)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(42,031)	57,456
Cash and cash equivalents and restricted cash at beginning of period	83,894	17,768
Cash and cash equivalents at beginning of period associated with discontinued operations	16,577	2,370
Cash and cash equivalents and restricted cash at beginning of period associated with continuing operations	67,317	15,398
Cash and cash equivalents and restricted cash at end of period	41,863	75,224
Cash and cash equivalents at end of period associated with discontinued operations	0	6,757
Cash and cash equivalents and restricted cash at end of period associated with continuing operations	$ 41,863	$ 68,467