Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities:
Net income (loss)	$ 48,265	$ 3,656	$ (145,351)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation, accretion, and amortization of intangible assets	179,937	179,110	179,902
Amortization of deferred financing costs and note discount	13,447	14,887	12,574
Share-based compensation expense	20,962	15,660	14,395
Deferred income tax expense (benefit)	6,741	(1,738)	(16,298)
Loss on disposal and impairment of assets	11,653	17,873	227,796
Other reserves and non-cash items	(16,959)	153	5,055
Redemption cost for early extinguishment of debt	0	6,408	0
Changes in assets and liabilities:
(Increase) decrease in accounts and notes receivable, net	(20,818)	28,015	6,616
(Increase) decrease in prepaid expenses, deferred costs, and other current assets	(2,288)	14,339	(18,679)
(Increase) in inventory, net	(3,865)	(1,737)	(1,673)
Decrease (increase) in other assets	7,971	7,357	(12,239)
Increase (decrease) in accounts payable	8,233	(2,619)	(24,938)
(Decrease) increase in restricted cash liabilities	(70,482)	109,093	12,583
Increase (decrease) in accrued liabilities	35,266	(44,416)	(10,753)
(Decrease) increase in other liabilities	(13,404)	(11,839)	1,597
Net cash provided by operating activities	204,659	334,202	230,587
Cash flows from investing activities:
Additions to property and equipment	(124,906)	(107,205)	(144,140)
Acquisitions, net of cash acquired	(9,100)	(1,150)	(484,602)
Net cash used in investing activities	(134,006)	(108,355)	(628,742)
Cash flows from financing activities:
Proceeds from borrowings under revolving credit facility	656,326	882,763	1,081,689
Repayments of borrowings under revolving credit facility	(752,039)	(745,148)	(976,161)
Proceeds from borrowings of long-term debt	0	0	300,000
Redemption of long-term notes	0	(250,000)	0
Debt issuance, modification, and redemption costs	(1,085)	(8,430)	(5,704)
Tax payments related to share-based compensation	(4,050)	(5,591)	(8,504)
Proceeds from exercises of stock options	3	14	104
Repurchase of common shares	(50,252)	0	0
Net cash (used in) provided by financing activities	(151,097)	(126,392)	391,424
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	2,503	(3,862)	801
Net (decrease) increase in cash, cash equivalents, and restricted cash	(77,941)	95,593	(5,930)
Cash, cash equivalents, and restricted cash as of beginning of period	195,410	99,817	105,747
Cash, cash equivalents, and restricted cash as of end of period	117,469	195,410	99,817
Supplemental disclosure of cash flow information:
Cash paid for interest	26,540	41,115	31,649
Cash paid for income taxes	$ 7,699	$ 851	$ 6,367