Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating activities:
Net income (loss)	$ (160,500)	$ (84,240)	$ (62,183)
Reconciliation of net income (loss) to cash provided by operating activities:
Depreciation, amortization, and accretion	124,278	117,010	116,159
Impairment of Long-Lived Assets to be Disposed of and Held-for-use	95,196	3,621	14,876
Impairment of goodwill	25,784	0	0
Provision (benefit) for deferred income taxes	(297)	(888)	(3,048)
Equity-based compensation expense	8,127	7,379	7,727
Provision for doubtful accounts	5,039	2,156	1,428
Gain (Loss) on Disposition of Assets	7,500	34,072	0
Other Noncash Income (Expense)	4,782	8,695	4,678
Proceeds from Insurance Settlement, Operating Activities Reconciliation	(1,771)	0	(2,352)
Liabilities, Fair Value Adjustment	(1,309)	733	2,975
Fair Value Adjustment of Warrants	(1,624)	(11,129)	(5,301)
Gain (Loss) on Disposition of Property Plant Equipment	(2,333)	(729)	(674)
Changes in operating assets and liabilities, net of assets acquired:
Accounts receivable	6,471	(5,512)	(55,197)
Inventories	(2,770)	(29,221)	(11,332)
Prepaid expenses and other current assets	579	(3,888)	(1,608)
Trade accounts payable and accrued expenses	(16,545)	5,463	58,937
Other	(4,258)	(3,608)	(1,868)
Net cash provided by operating activities	90,232	46,586	64,595
Investing activities:
Purchases of property, plant, and equipment	(108,273)	(141,931)	(51,923)
Acquisition of businesses, net of cash acquired	(12,024)	(49,630)	0
Proceeds from Divestiture of Businesses	0	3,121	0
Proceeds from sale of property, plant, and equipment	12,885	1,138	862
Proceeds from Insurance Settlement, Investing Activities	1,771	0	2,352
Other investing activities	(801)	(1,344)	812
Net cash provided by (used in) investing activities	(106,442)	(188,646)	(47,897)
Financing activities:
Proceeds from long-term debt	282,590	767,887	384,550
Principal payments on long-term debt	(258,217)	(581,935)	(384,100)
CCLP distributions	(1,233)	(19,224)	(18,826)
Proceeds from sale of common stock and exercise of stock options	0	251	0
Payment, Tax Withholding, Share-based Payment Arrangement	(581)	(768)	(803)
Financing costs and other financing activities	(435)	(11,217)	(2,157)
Net cash provided by (used in) financing activities	(5,925)	154,994	(21,336)
Effect of exchange rate changes on cash	(199)	779	1,122
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(22,334)	13,713	(3,516)
Cash and cash equivalents at end of period	17,704	40,038
Supplemental cash flow information:
Interest paid	68,332	56,261	46,286
Taxes paid (refunded)	7,274	4,680	6,782
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	(1,000)	3,400	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents	$ 17,768	$ 40,102	$ 26,389