Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details 2)

v2.4.1.9
Income Taxes (Details 2) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Disclosure [Abstract]      
Federal tax expense, at statutory rate $ (290,775)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ (222,982)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate $ (166,064)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
State income tax expense, net of federal benefit (32,067)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes (19,031)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes (16,606)us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
State income rate changes 5,334us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate (8,666)us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate (2,251)us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate
Non-deductible expenses (13,914)us-gaap_IncomeTaxReconciliationNondeductibleExpense (9,545)us-gaap_IncomeTaxReconciliationNondeductibleExpense (477)us-gaap_IncomeTaxReconciliationNondeductibleExpense
Change in valuation allowance 2,836us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 4,228us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount 3,195,651us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount
Other, net (8,959)us-gaap_IncomeTaxReconciliationOtherReconcilingItems (3,881)us-gaap_IncomeTaxReconciliationOtherReconcilingItems (12,019)us-gaap_IncomeTaxReconciliationOtherReconcilingItems
Total income tax (expense) benefit $ (337,545)us-gaap_IncomeTaxExpenseBenefit $ (259,877)us-gaap_IncomeTaxExpenseBenefit $ 2,998,234us-gaap_IncomeTaxExpenseBenefit