Supplemental Guarantor Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 197,363	$ 174,242	$ 613,728
Accounts and notes receivable, net	87,770	89,867
Restricted cash	141,859	137,353	44,796
Other current assets	56,548
Total current assets	483,540	462,013
Property and equipment, net	412,861	429,842
Operating lease assets	56,434	60,368
Intangible assets, net net of accumulated amortization of $460,841 and $454,533 as of March 31, 2021 and December 31, 2020 , respectively	75,250	84,629
Goodwill	760,811	759,102
Investments in and advances to subsidiaries	0
Intercompany receivable	0
Deferred tax assets, net	17,774	17,382
Prepaid expenses, deferred costs, and other noncurrent assets	23,188	18,109
Total assets	1,829,858	1,831,445	2,217,221
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of long-term liabilities	5,000
Accounts payable and accrued liabilities	470,812
Total current liabilities	475,812	475,985
Long-term debt	772,693	773,177
Intercompany payable	0
Asset retirement obligations	56,859	56,973
Deferred tax liabilities, net	55,471	51,484
Operating lease liabilities	53,681	56,683
Other long-term liabilities	21,886	37,727
Total liabilities	1,436,402	1,452,029
Shareholders' equity	393,456	379,416	$ 307,859	$ 380,326
Total liabilities and shareholders’ equity	1,829,858	1,831,445
Eliminations
ASSETS
Cash and cash equivalents	0
Accounts and notes receivable, net	0
Restricted cash	0
Other current assets	0
Total current assets	0	0
Property and equipment, net	0
Operating lease assets	0
Intangible assets, net net of accumulated amortization of $460,841 and $454,533 as of March 31, 2021 and December 31, 2020 , respectively	0
Goodwill	0
Investments in and advances to subsidiaries	(1,018,264)
Intercompany receivable	(1,412,322)
Deferred tax assets, net	0
Prepaid expenses, deferred costs, and other noncurrent assets	0
Total assets	(2,430,586)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of long-term liabilities	0
Accounts payable and accrued liabilities	(27,902)
Total current liabilities	(27,902)	(17,705)
Long-term debt	0
Intercompany payable	(1,412,316)
Asset retirement obligations	0
Deferred tax liabilities, net	0
Operating lease liabilities	0
Other long-term liabilities	0
Total liabilities	(1,440,218)
Shareholders' equity	(990,368)
Total liabilities and shareholders’ equity	(2,430,586)
Parent | Reportable Legal Entities
ASSETS
Cash and cash equivalents	72
Accounts and notes receivable, net	0
Restricted cash	0
Other current assets	0
Total current assets	72	87
Property and equipment, net	0
Operating lease assets	0
Intangible assets, net net of accumulated amortization of $460,841 and $454,533 as of March 31, 2021 and December 31, 2020 , respectively	0
Goodwill	0
Investments in and advances to subsidiaries	460,376
Intercompany receivable	11,759
Deferred tax assets, net	1,112
Prepaid expenses, deferred costs, and other noncurrent assets	0
Total assets	473,319
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of long-term liabilities	0
Accounts payable and accrued liabilities	2,584
Total current liabilities	2,584	4,295
Long-term debt	0
Intercompany payable	77,279
Asset retirement obligations	0
Deferred tax liabilities, net	0
Operating lease liabilities	0
Other long-term liabilities	0
Total liabilities	79,863
Shareholders' equity	393,456
Total liabilities and shareholders’ equity	473,319
Issuer | Reportable Legal Entities
ASSETS
Cash and cash equivalents	137,449
Accounts and notes receivable, net	46,387
Restricted cash	106,913
Other current assets	30,061
Total current assets	320,810	299,489
Property and equipment, net	245,575
Operating lease assets	31,608
Intangible assets, net net of accumulated amortization of $460,841 and $454,533 as of March 31, 2021 and December 31, 2020 , respectively	17,467
Goodwill	445,046
Investments in and advances to subsidiaries	324,975
Intercompany receivable	510,398
Deferred tax assets, net	0
Prepaid expenses, deferred costs, and other noncurrent assets	16,509
Total assets	1,912,388
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of long-term liabilities	5,000
Accounts payable and accrued liabilities	328,772
Total current liabilities	333,772	310,477
Long-term debt	772,693
Intercompany payable	316,948
Asset retirement obligations	23,853
Deferred tax liabilities, net	53,611
Operating lease liabilities	37,325
Other long-term liabilities	16,719
Total liabilities	1,554,921
Shareholders' equity	357,467
Total liabilities and shareholders’ equity	1,912,388
Guarantors | Reportable Legal Entities
ASSETS
Cash and cash equivalents	39,534
Accounts and notes receivable, net	22,016
Restricted cash	2,477
Other current assets	2,281
Total current assets	66,308	72,391
Property and equipment, net	50,613
Operating lease assets	2,330
Intangible assets, net net of accumulated amortization of $460,841 and $454,533 as of March 31, 2021 and December 31, 2020 , respectively	37,400
Goodwill	152,505
Investments in and advances to subsidiaries	179,526
Intercompany receivable	625,003
Deferred tax assets, net	(1,014)
Prepaid expenses, deferred costs, and other noncurrent assets	1,583
Total assets	1,114,254
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of long-term liabilities	0
Accounts payable and accrued liabilities	70,254
Total current liabilities	70,254	68,326
Long-term debt	0
Intercompany payable	634,751
Asset retirement obligations	1,966
Deferred tax liabilities, net	1,490
Operating lease liabilities	1,584
Other long-term liabilities	1,911
Total liabilities	711,956
Shareholders' equity	402,298
Total liabilities and shareholders’ equity	1,114,254
Non-Guarantors | Reportable Legal Entities
ASSETS
Cash and cash equivalents	20,308
Accounts and notes receivable, net	19,367
Restricted cash	32,469
Other current assets	24,206
Total current assets	96,350	90,046
Property and equipment, net	116,673
Operating lease assets	22,496
Intangible assets, net net of accumulated amortization of $460,841 and $454,533 as of March 31, 2021 and December 31, 2020 , respectively	20,383
Goodwill	163,260
Investments in and advances to subsidiaries	53,387
Intercompany receivable	265,162
Deferred tax assets, net	17,676
Prepaid expenses, deferred costs, and other noncurrent assets	5,096
Total assets	760,483
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of long-term liabilities	0
Accounts payable and accrued liabilities	97,104
Total current liabilities	97,104	$ 110,592
Long-term debt	0
Intercompany payable	383,338
Asset retirement obligations	31,040
Deferred tax liabilities, net	370
Operating lease liabilities	14,772
Other long-term liabilities	3,256
Total liabilities	529,880
Shareholders' equity	230,603
Total liabilities and shareholders’ equity	$ 760,483