Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v2.4.1.9
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Current taxes:      
Federal $ 58,461us-gaap_CurrentFederalTaxExpenseBenefit $ 43,675us-gaap_CurrentFederalTaxExpenseBenefit $ (589)us-gaap_CurrentFederalTaxExpenseBenefit
State 1,133us-gaap_CurrentStateAndLocalTaxExpenseBenefit 1,345us-gaap_CurrentStateAndLocalTaxExpenseBenefit 122us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Current income taxes 59,594us-gaap_CurrentIncomeTaxExpenseBenefit 45,020us-gaap_CurrentIncomeTaxExpenseBenefit (467)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred taxes:      
Federal (3,470)us-gaap_DeferredFederalIncomeTaxExpenseBenefit 10,232us-gaap_DeferredFederalIncomeTaxExpenseBenefit (62,581)us-gaap_DeferredFederalIncomeTaxExpenseBenefit
State 10,052us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit (2,044)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit (13,261)us-gaap_DeferredStateAndLocalIncomeTaxExpenseBenefit
Deferred income taxes 6,582us-gaap_DeferredIncomeTaxExpenseBenefit 8,188us-gaap_DeferredIncomeTaxExpenseBenefit (75,842)us-gaap_DeferredIncomeTaxExpenseBenefit
Income tax expense (benefit) $ 66,176us-gaap_IncomeTaxExpenseBenefit $ 53,208us-gaap_IncomeTaxExpenseBenefit $ (76,309)us-gaap_IncomeTaxExpenseBenefit