Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Operating activities:
Net income (loss)	$ (86,972)	$ (27,209)
Reconciliation of net income (loss) to cash provided by (used in) operating activities:
Depreciation, amortization, and accretion	86,965	87,298
Provision (benefit) for deferred income taxes	(837)	(431)
Equity-based compensation expense	5,692	7,242
Provision for doubtful accounts	1,566	1,333
Gain (Loss) on Disposition of Assets	32,369	0
Amortization of deferred financing costs	3,188	3,491
Proceeds from Insurance Settlement, Operating Activities	0	(2,352)
Offering Costs of Preferred Units	398	0
Paid-in-Kind Interest	3,933	5,606
Liabilities, Fair Value Adjustment	1,344	(4,340)
Warrants fair value adjustment	22	(11,568)
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	3,700	0
Other non-cash charges and credits	3,919	(221)
Gain on sale of assets	(454)	(605)
Changes in operating assets and liabilities, net of assets acquired:
Accounts receivable	(7,708)	(34,187)
Inventories	(35,920)	(13,394)
Prepaid expenses and other current assets	(2,995)	(1,659)
Trade accounts payable and accrued expenses	(6,776)	28,368
Decommissioning liabilities, net	0	(550)
Other	(2,741)	12
Net cash provided by (used in) operating activities	1,633	36,834
Investing activities:
Purchases of property, plant, and equipment	(107,080)	(28,587)
Payments to Acquire Businesses, Net of Cash Acquired	42,002	0
Proceeds from Divestiture of Businesses	3,121	0
Proceeds on sale of property, plant, and equipment	774	786
Proceeds from Insurance Settlement, Investing Activities	0	2,352
Other investing activities	(293)	(6,175)
Net cash provided by (used in) investing activities	(145,480)	(31,624)
Financing activities:
Proceeds from long-term debt	747,887	297,100
Principal payments on long-term debt	(544,962)	(301,250)
CSI Compressco LP distributions	(13,928)	(14,815)
Tax remittances on equity based compensation	(708)	(624)
Other financing activities	(17,932)	(1,573)
Net cash provided by (used in) financing activities	170,608	(21,162)
Effect of exchange rate changes on cash	818	533
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	27,579	(15,419)
Cash, cash equivalents, and restricted cash	53,968	21,112
Supplemental cash flow information:
Interest paid	24,651	39,919
Income taxes paid	3,954	5,217
Proceeds from Stock Options Exercised	251	0
Impairment of Long-Lived Assets Held-for-use	$ 2,940	$ 0