Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Operating activities:
Net income (loss)	$ 102,267	$ (47,343)
Reconciliation of net income (loss) to net cash provided by operating activities:
Depreciation, amortization, and accretion	17,215	59,302
Gain on GP Sale	(120,574)	0
Impairment and other charges	449	14,348
Gain on retained CSI Compressco units and Standard Lithium shares	(5,613)	(183)
Equity-based compensation expense	2,554	2,896
Amortization and expense of financing costs and deferred financing gains	1,429	2,755
Debt-related expenses	0	4,754
Warrants fair value adjustment	3,021	(326)
Gain on sale of assets	(275)	(2,019)
Other non-cash charges	(70)	5,380
Changes in operating assets and liabilities:
Accounts receivable	(15,694)	55,552
Inventories	5,456	10,733
Prepaid expenses and other current assets	(2,442)	(3,038)
Trade accounts payable and accrued expenses	21,295	(42,853)
Other	(1,411)	429
Net cash provided by (used in) operating activities	7,607	60,387
Investing activities:
Purchases of property, plant, and equipment, net	12,489	19,608
Proceeds from sale of CCLP, net of cash divested	18	0
Proceeds on sale of property, plant, and equipment	754	5,311
Proceeds from Insurance Settlement, Investing Activities	110	591
Other investing activities	1,156	(357)
Net cash provided by (used in) investing activities	(10,451)	(14,063)
Financing activities:
Proceeds from long-term debt	0	338,343
Principal payments on long-term debt	(29,320)	(341,364)
CSI Compressco distributions	0	(620)
Tax remittances on equity based compensation	0	(341)
Debt issuance costs and other financing activities	(455)	(2,504)
Net cash provided by (used in) financing activities	(29,775)	(6,486)
Effect of exchange rate changes on cash	(896)	(826)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(33,515)	39,012
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	50,379	56,780
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	$ 50,379	$ 50,023