Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred
Federal	$ 33,499
State	1,488
Total Deferred Tax Expense	34,987
Total Income Tax Expense	34,987
Effective tax rate reconciliation
Federal statutory rate (as a percent)	35.00%
Federal income tax at 35% of earnings from continuing operations before income taxes	(102,107)	3,702	(240,374)
State income taxes, net of federal income tax benefits	(2,131)
Earnings not subject to tax	(40,509)	(3,702)	240,374
Change in non-deductible goodwill	16,767
Change in tax status	81,728
Other	8
Change in valuation allowance (current year activity only)	81,231
Total Income Tax Expense	34,987
Effective Tax Rate	(11.99%)	0.00%	0.00%
Deferred tax assets:
Property and equipment	277,558
Goodwill	38,570
Net operating loss carryforwards	39,487
Other	45,509
Total gross deferred tax assets	401,124
Less valuation allowance	(204,093)
Net deferred tax assets	197,031
Tax effect of transactions with entities under common control	20,464
Deferred tax liabilities
Unrealized gains on derivative instruments, net	(54,638)
Long-term liabilities	(140,396)
Other	(1,997)
Total gross deferred tax liabilities	(197,031)
Net deferred tax assets	0
Deferred tax classification
Current deferred tax assets (liabilities)	(46,084)
Non-current deferred tax assets (liabilities)	46,084
Net deferred tax assets	$ 0