Supplemental Guarantor Financial Information - Balance Sheets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 61,498	$ 73,534	$ 59,521	$ 26,297
Accounts and notes receivable, net	112,392	84,156
Other current assets	160,483	111,847
Total current assets	334,373	269,537
Property and equipment, net	504,395	392,735
Intangible assets, net	220,233	121,230
Goodwill	771,152	533,075
Deferred tax asset, net	7,260	13,004
Prepaid expenses, deferred costs, and other noncurrent assets	51,868	35,115
Total assets	1,889,281	1,364,696
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	31,540	28,237
Accounts payable and accrued liabilities	375,320	285,583
Total current liabilities	406,860	313,820
Long-term debt	949,775	502,539
Asset retirement obligations	58,425	45,086
Deferred tax liability, net	43,287	27,625
Other long-term liabilities	71,761	18,691
Total liabilities	1,530,108	907,761
Shareholders' equity	359,173	456,935
Total liabilities and shareholders' equity	1,889,281	1,364,696
Eliminations [Member]
Assets
Accounts and notes receivable, net	(67)
Total current assets	(67)
Property and equipment, net	(169)
Investments in and advances to subsidiaries	(1,273,661)	(2,073,087)
Intercompany receivable	(863,640)	(2,178,314)
Total assets	(2,137,537)	(4,251,401)
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	(12)	(16)
Accounts payable and accrued liabilities	(66)	(67)
Total current liabilities	(78)	(83)
Intercompany payable	(863,640)	(2,178,314)
Total liabilities	(863,718)	(2,178,397)
Shareholders' equity	(1,273,819)	(2,073,004)
Total liabilities and shareholders' equity	(2,137,537)	(4,251,401)
Parent [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	383	101
Other current assets	106
Total current assets	489	101
Investments in and advances to subsidiaries	354,223	452,014
Intercompany receivable	10,849	12,962
Deferred tax asset, net	602	537
Total assets	366,163	465,614
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable and accrued liabilities	532	(15)
Total current liabilities	532	(15)
Intercompany payable	6,459	8,694
Total liabilities	6,991	8,679
Shareholders' equity	359,172	456,935
Total liabilities and shareholders' equity	366,163	465,614
Issuer | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	7	7	7	782
Other current assets	199	1,468
Total current assets	206	1,475
Investments in and advances to subsidiaries	443,714	748,278
Intercompany receivable	180,901	297,790
Prepaid expenses, deferred costs, and other noncurrent assets	306	504
Total assets	625,127	1,048,047
LIABILITIES AND SHAREHOLDERS’ EQUITY
Accounts payable and accrued liabilities	6,122	17,152
Total current liabilities	6,122	17,152
Long-term debt	498,358	502,539
Intercompany payable	6,949	82,660
Other long-term liabilities	1,671	504
Total liabilities	513,100	602,855
Shareholders' equity	112,027	445,192
Total liabilities and shareholders' equity	625,127	1,048,047
Guarantors [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	16,204	6,995	28,504	6,200
Accounts and notes receivable, net	60,569	59,375
Deferred tax asset, net	(1,419)
Other current assets	74,163	52,087
Total current assets	149,517	118,457
Property and equipment, net	326,021	271,142
Intangible assets, net	168,724	89,028
Goodwill	575,271	450,229
Investments in and advances to subsidiaries	475,724	872,795
Intercompany receivable	222,304	251,754
Deferred tax asset, net	1,525	1,462
Prepaid expenses, deferred costs, and other noncurrent assets	34,832	22,098
Total assets	1,953,918	2,076,965
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	26,585	22,662
Accounts payable and accrued liabilities	220,902	179,489
Total current liabilities	247,487	202,151
Long-term debt	441,239
Intercompany payable	649,569	1,248,493
Asset retirement obligations	27,124	21,746
Deferred tax liability, net	41,175	24,953
Other long-term liabilities	27,131	14,305
Total liabilities	1,433,725	1,511,648
Shareholders' equity	520,193	565,317
Total liabilities and shareholders' equity	1,953,918	2,076,965
Non-Guarantors [Member] | Reportable Legal Entities [Member]
Assets
Cash and cash equivalents	44,904	66,431	$ 31,010	$ 19,315
Accounts and notes receivable, net	51,890	24,781
Deferred tax asset, net	1,419
Other current assets	86,015	58,292
Total current assets	184,228	149,504
Property and equipment, net	178,543	121,593
Intangible assets, net	51,509	32,202
Goodwill	195,881	82,846
Intercompany receivable	449,586	1,615,808
Deferred tax asset, net	5,133	11,005
Prepaid expenses, deferred costs, and other noncurrent assets	16,730	12,513
Total assets	1,081,610	2,025,471
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current portion of other long-term liabilities	4,967	5,591
Accounts payable and accrued liabilities	147,830	89,024
Total current liabilities	152,797	94,615
Long-term debt	10,178
Intercompany payable	200,663	838,467
Asset retirement obligations	31,301	23,340
Deferred tax liability, net	2,112	2,672
Other long-term liabilities	42,959	3,882
Total liabilities	440,010	962,976
Shareholders' equity	641,600	1,062,495
Total liabilities and shareholders' equity	$ 1,081,610	$ 2,025,471