Supplemental Guarantor Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 211,292		$ 30,115	$ 33,495
Restricted Cash	84,372		87,354
Accounts and notes receivable, net	78,882		95,795
Other current assets	96,829
Total current assets	471,375		308,521
Property and equipment, net	415,734		461,277
Intangible assets, net	93,952		113,925
Goodwill	729,740		752,592
Operating lease assets	61,544		76,548
Investments in and advances to subsidiaries	0
Intercompany receivable	0
Deferred tax asset, net	15,585		13,159
Prepaid expenses, deferred costs, and other noncurrent assets	21,509		37,936
Total assets	1,809,439		1,763,958
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	180,306
Accounts payable and accrued liabilities	343,607
Total current liabilities	523,913		434,384
Long-term debt	774,713		739,475
Intercompany payable	0
Asset retirement obligations	52,794		55,494
Operating lease liabilities	58,414		69,531
Deferred tax liability, net	40,596		46,878
Other long-term liabilities	50,920		37,870
Total liabilities	1,501,350		1,383,632
Shareholders' equity	308,089	$ 307,859	380,326	$ 361,873	$ 375,829	$ 376,772
Total liabilities and shareholders’ equity	1,809,439		1,763,958
Eliminations
ASSETS
Cash and cash equivalents	0
Restricted Cash	0
Accounts and notes receivable, net	0
Other current assets	0
Total current assets	0		0
Property and equipment, net	0
Intangible assets, net	0
Goodwill	0
Operating lease assets	0
Investments in and advances to subsidiaries	(867,041)
Intercompany receivable	(1,324,622)
Deferred tax asset, net	0
Prepaid expenses, deferred costs, and other noncurrent assets	0
Total assets	(2,191,663)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	0
Accounts payable and accrued liabilities	(15,804)
Total current liabilities	(15,804)		0
Long-term debt	0
Intercompany payable	(1,324,616)
Asset retirement obligations	0
Operating lease liabilities	0
Deferred tax liability, net	0
Other long-term liabilities	0
Total liabilities	(1,340,420)
Shareholders' equity	(851,243)
Total liabilities and shareholders’ equity	(2,191,663)
Parent | Reportable Legal Entities
ASSETS
Cash and cash equivalents	51
Restricted Cash	0
Accounts and notes receivable, net	0
Other current assets	0
Total current assets	51		46
Property and equipment, net	0
Intangible assets, net	0
Goodwill	0
Operating lease assets	0
Investments in and advances to subsidiaries	367,785
Intercompany receivable	34,633
Deferred tax asset, net	559
Prepaid expenses, deferred costs, and other noncurrent assets	0
Total assets	403,028
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	0
Accounts payable and accrued liabilities	286
Total current liabilities	286		814
Long-term debt	0
Intercompany payable	94,653
Asset retirement obligations	0
Operating lease liabilities	0
Deferred tax liability, net	0
Other long-term liabilities	0
Total liabilities	94,939
Shareholders' equity	308,089
Total liabilities and shareholders’ equity	403,028
Issuer | Reportable Legal Entities
ASSETS
Cash and cash equivalents	144,977
Restricted Cash	61,555
Accounts and notes receivable, net	44,683
Other current assets	54,207
Total current assets	305,422		146,768
Property and equipment, net	248,794
Intangible assets, net	30,032
Goodwill	445,046
Operating lease assets	31,794
Investments in and advances to subsidiaries	263,857
Intercompany receivable	511,305
Deferred tax asset, net	0
Prepaid expenses, deferred costs, and other noncurrent assets	12,778
Total assets	1,849,028
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	145,491
Accounts payable and accrued liabilities	231,305
Total current liabilities	376,796		242,735
Long-term debt	774,713
Intercompany payable	282,214
Asset retirement obligations	21,726
Operating lease liabilities	38,811
Deferred tax liability, net	38,609
Other long-term liabilities	40,904
Total liabilities	1,573,773
Shareholders' equity	275,255
Total liabilities and shareholders’ equity	1,849,028
Guarantors | Reportable Legal Entities
ASSETS
Cash and cash equivalents	50,009
Restricted Cash	3,057
Accounts and notes receivable, net	18,269
Other current assets	3,580
Total current assets	74,915		41,788
Property and equipment, net	49,178
Intangible assets, net	43,191
Goodwill	138,121
Operating lease assets	2,682
Investments in and advances to subsidiaries	191,436
Intercompany receivable	537,078
Deferred tax asset, net	(1,072)
Prepaid expenses, deferred costs, and other noncurrent assets	1,388
Total assets	1,036,917
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	6,088
Accounts payable and accrued liabilities	54,592
Total current liabilities	60,680		66,766
Long-term debt	0
Intercompany payable	597,242
Asset retirement obligations	1,861
Operating lease liabilities	1,846
Deferred tax liability, net	1,363
Other long-term liabilities	2,423
Total liabilities	665,415
Shareholders' equity	371,502
Total liabilities and shareholders’ equity	1,036,917
Non-Guarantors | Reportable Legal Entities
ASSETS
Cash and cash equivalents	16,255
Restricted Cash	19,760
Accounts and notes receivable, net	15,930
Other current assets	39,042
Total current assets	90,987		119,919
Property and equipment, net	117,762
Intangible assets, net	20,729
Goodwill	146,573
Operating lease assets	27,068
Investments in and advances to subsidiaries	43,963
Intercompany receivable	241,606
Deferred tax asset, net	16,098
Prepaid expenses, deferred costs, and other noncurrent assets	7,343
Total assets	712,129
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	28,727
Accounts payable and accrued liabilities	73,228
Total current liabilities	101,955		$ 124,069
Long-term debt	0
Intercompany payable	350,507
Asset retirement obligations	29,207
Operating lease liabilities	17,757
Deferred tax liability, net	624
Other long-term liabilities	7,593
Total liabilities	507,643
Shareholders' equity	204,486
Total liabilities and shareholders’ equity	$ 712,129