Supplemental Guarantor Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 53,177	$ 73,534	$ 19,652	$ 26,297
Accounts and notes receivable, net	98,751	84,156
Other current assets	147,470	111,847
Total current assets	299,398	269,537
Property and equipment, net	505,454	392,735
Intangible assets, net	278,471	121,230
Goodwill	903,101	533,075
Deferred tax asset, net	9,727	13,004
Prepaid expenses, deferred costs, and other noncurrent assets	38,881	35,115
Total assets	2,035,032	1,364,696
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	32,793	28,237
Accounts payable and accrued liabilities	345,395	285,583
Total current liabilities	378,188	313,820
Long-term debt	973,339	502,539
Asset retirement obligations	57,096	45,086
Deferred tax liability, net	49,915	27,625
Other long-term liabilities	68,421	18,691
Total liabilities	1,526,959	907,761
Shareholders' equity	508,073	456,935
Total liabilities and shareholders' equity	2,035,032	1,364,696
Eliminations [Member]
Assets
Investments in and advances to subsidiaries	(1,382,837)	(2,073,087)
Intercompany receivable	(1,808,956)	(2,178,314)
Total assets	(3,191,793)	(4,251,401)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	(12)	(16)
Accounts payable and accrued liabilities		(67)
Total current liabilities	(12)	(83)
Intercompany payable	(1,808,956)	(2,178,314)
Total liabilities	(1,808,968)	(2,178,397)
Shareholders' equity	(1,382,825)	(2,073,004)
Total liabilities and shareholders' equity	(3,191,793)	(4,251,401)
Parent [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	403	101
Other current assets	98
Total current assets	501	101
Investments in and advances to subsidiaries	511,544	452,014
Intercompany receivable	8,414	12,962
Deferred tax asset, net	585	537
Total assets	521,044	465,614
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable and accrued liabilities	580	(15)
Total current liabilities	580	(15)
Intercompany payable	12,391	8,694
Total liabilities	12,971	8,679
Shareholders' equity	508,073	456,935
Total liabilities and shareholders' equity	521,044	465,614
Issuer | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	229	7	876	782
Other current assets	558	1,468
Total current assets	787	1,475
Investments in and advances to subsidiaries	397,017	748,278
Intercompany receivable	197,147	297,790
Prepaid expenses, deferred costs, and other noncurrent assets	296	504
Total assets	595,247	1,048,047
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	49
Accounts payable and accrued liabilities	10,402	17,152
Total current liabilities	10,451	17,152
Long-term debt	494,145	502,539
Intercompany payable	4,589	82,660
Other long-term liabilities	1,713	504
Total liabilities	510,898	602,855
Shareholders' equity	84,349	445,192
Total liabilities and shareholders' equity	595,247	1,048,047
Guarantors [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	12,048	6,995	2,059	6,200
Accounts and notes receivable, net	55,377	59,375
Other current assets	70,968	52,087
Total current assets	138,393	118,457
Property and equipment, net	340,654	271,142
Intangible assets, net	225,813	89,028
Goodwill	711,507	450,229
Investments in and advances to subsidiaries	474,276	872,795
Intercompany receivable	712,021	251,754
Deferred tax asset, net	1,491	1,462
Prepaid expenses, deferred costs, and other noncurrent assets	23,165	22,098
Total assets	2,627,320	2,076,965
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	27,060	22,662
Accounts payable and accrued liabilities	209,424	179,489
Total current liabilities	236,484	202,151
Long-term debt	465,152
Intercompany payable	1,153,416	1,248,493
Asset retirement obligations	27,989	21,746
Deferred tax liability, net	47,211	24,953
Other long-term liabilities	21,673	14,305
Total liabilities	1,951,925	1,511,648
Shareholders' equity	675,395	565,317
Total liabilities and shareholders' equity	2,627,320	2,076,965
Non-Guarantors [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	40,497	66,431	$ 16,717	$ 19,315
Accounts and notes receivable, net	43,374	24,781
Other current assets	75,846	58,292
Total current assets	159,717	149,504
Property and equipment, net	164,800	121,593
Intangible assets, net	52,658	32,202
Goodwill	191,594	82,846
Intercompany receivable	891,374	1,615,808
Deferred tax asset, net	7,651	11,005
Prepaid expenses, deferred costs, and other noncurrent assets	15,420	12,513
Total assets	1,483,214	2,025,471
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	5,696	5,591
Accounts payable and accrued liabilities	124,989	89,024
Total current liabilities	130,685	94,615
Long-term debt	14,042
Intercompany payable	638,560	838,467
Asset retirement obligations	29,107	23,340
Deferred tax liability, net	2,704	2,672
Other long-term liabilities	45,035	3,882
Total liabilities	860,133	962,976
Shareholders' equity	623,081	1,062,495
Total liabilities and shareholders' equity	$ 1,483,214	$ 2,025,471