Supplemental Guarantor Financial Information (Condensed Consolidating Balance Sheets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash and cash equivalents	$ 86,939	$ 13,861	$ 5,576	$ 3,189
Accounts and notes receivable, net	58,274	45,135
Current portion of deferred tax asset, net	21,202	13,086
Other current assets	40,357	43,667
Total current assets	206,772	115,749
Property and equipment, net	270,966	236,238
Intangible assets, net	161,615	102,573
Goodwill	404,491	285,696	271,562
Deferred tax asset, net	9,680	26,468
Prepaid expenses, deferred costs, and other noncurrent assets	2,679	2,168
Total assets	1,056,203	768,892	712,801
Current portion of long-term debt and notes payable	1,289	1,467
Current portion of other long-term liabilities	35,597	27,220
Accounts payable and accrued liabilities	176,757	101,705
Current portion of deferred tax liability, net	1,152	1,179
Total current liabilities	214,795	131,571
Long-term debt	489,225	353,352
Asset retirement obligation, excluding current portion	60,665	41,862
Deferred tax liability, net	5,668	182
Other long-term liabilities	38,736	93,121
Total liabilities	809,089	620,088
Stockholders' equity	247,114	148,804	113,145	44,254
Total liabilities and stockholders' equity	1,056,203	768,892
Elimination [Member]
Accounts and notes receivable, net	(134,432)	(60,905)
Other current assets	(88)	(6)
Total current assets	(134,520)	(60,911)
Property and equipment, net	(431)	(500)
Investments in and advances to subsidiaries	(691,303)	(309,716)
Intercompany receivable	(194,855)	(252,226)
Total assets	(1,021,109)	(623,353)
Accounts payable and accrued liabilities	(134,029)	(60,905)
Total current liabilities	(134,029)	(60,905)
Intercompany payable	(247,726)	(305,097)
Total liabilities	(381,755)	(366,002)
Stockholders' equity	(639,354)	(257,351)
Total liabilities and stockholders' equity	(1,021,109)	(623,353)
Parent [Member]
Cash and cash equivalents	412	5	1	81
Accounts and notes receivable, net	130,835	56,722
Current portion of deferred tax asset, net	15,735	11,683
Other current assets	917	764
Total current assets	147,899	69,174
Intangible assets, net	9,466	4,684
Investments in and advances to subsidiaries	445,318	209,668
Intercompany receivable	150,890	204,098
Deferred tax asset, net		23,162
Total assets	753,573	510,786
Accounts payable and accrued liabilities	12,953	9,982
Total current liabilities	12,953	9,982
Long-term debt	489,182	352,000
Deferred tax liability, net	4,324
Total liabilities	506,459	361,982
Stockholders' equity	247,114	148,804
Total liabilities and stockholders' equity	753,573	510,786
Guarantors [Member]
Cash and cash equivalents	73,379	10,674	4,721	2,219
Accounts and notes receivable, net	43,929	39,384
Current portion of deferred tax asset, net	1,915	1,094
Other current assets	11,580	28,116
Total current assets	130,803	79,268
Property and equipment, net	166,909	154,737
Intangible assets, net	78,404	87,670
Goodwill	288,439	268,454
Investments in and advances to subsidiaries	245,985	100,048
Intercompany receivable	43,965	48,128
Deferred tax asset, net		2,195
Prepaid expenses, deferred costs, and other noncurrent assets	1,164	1,999
Total assets	955,669	742,499
Current portion of other long-term liabilities	34,009	25,658
Accounts payable and accrued liabilities	213,128	122,501
Total current liabilities	247,137	148,159
Long-term debt	3	15
Intercompany payable	148,306	250,827
Asset retirement obligation, excluding current portion	21,517	19,176
Deferred tax liability, net	526
Other long-term liabilities	38,681	92,966
Total liabilities	456,170	511,143
Stockholders' equity	499,499	231,356
Total liabilities and stockholders' equity	955,669	742,499
Non-Guarantors [Member]
Cash and cash equivalents	13,148	3,182	854	889
Accounts and notes receivable, net	17,942	9,934
Current portion of deferred tax asset, net	3,552	309
Other current assets	27,948	14,793
Total current assets	62,590	28,218
Property and equipment, net	104,488	82,001
Intangible assets, net	73,745	10,219
Goodwill	116,052	17,242
Deferred tax asset, net	9,680	1,111
Prepaid expenses, deferred costs, and other noncurrent assets	1,515	169
Total assets	368,070	138,960
Current portion of long-term debt and notes payable	1,289	1,467
Current portion of other long-term liabilities	1,588	1,562
Accounts payable and accrued liabilities	84,705	30,127
Current portion of deferred tax liability, net	1,152	1,179
Total current liabilities	88,734	34,335
Long-term debt	40	1,337
Intercompany payable	99,420	54,270
Asset retirement obligation, excluding current portion	39,148	22,686
Deferred tax liability, net	818	182
Other long-term liabilities	55	155
Total liabilities	228,215	112,965
Stockholders' equity	139,855	25,995
Total liabilities and stockholders' equity	$ 368,070	$ 138,960