Annual report pursuant to Section 13 and 15(d)

Schedule of Components of Income Tax Expense (Benefit) (Details)

v2.4.1.9
Schedule of Components of Income Tax Expense (Benefit) (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax Expense (Benefit) Components [Line Items]                      
Current Federal Tax Expense (Benefit)                 $ 6,507us-gaap_CurrentFederalTaxExpenseBenefit $ 808us-gaap_CurrentFederalTaxExpenseBenefit $ (4,586)us-gaap_CurrentFederalTaxExpenseBenefit
Current State and Local Tax Expense (Benefit)                 16us-gaap_CurrentStateAndLocalTaxExpenseBenefit 5us-gaap_CurrentStateAndLocalTaxExpenseBenefit 3us-gaap_CurrentStateAndLocalTaxExpenseBenefit
Current Income Tax Expense (Benefit)                 6,523us-gaap_CurrentIncomeTaxExpenseBenefit 813us-gaap_CurrentIncomeTaxExpenseBenefit (4,583)us-gaap_CurrentIncomeTaxExpenseBenefit
Deferred Income Tax Expense (Benefit)                 (80,261)us-gaap_DeferredIncomeTaxExpenseBenefit 83,598us-gaap_DeferredIncomeTaxExpenseBenefit (37,636)us-gaap_DeferredIncomeTaxExpenseBenefit
Income Tax Expense (Benefit) $ (11,718)us-gaap_IncomeTaxExpenseBenefit $ (4,858)us-gaap_IncomeTaxExpenseBenefit $ (23,260)us-gaap_IncomeTaxExpenseBenefit $ (33,902)us-gaap_IncomeTaxExpenseBenefit $ 6,602us-gaap_IncomeTaxExpenseBenefit $ 23,726us-gaap_IncomeTaxExpenseBenefit $ 49,119us-gaap_IncomeTaxExpenseBenefit $ 4,964us-gaap_IncomeTaxExpenseBenefit $ (73,738)us-gaap_IncomeTaxExpenseBenefit $ 84,411us-gaap_IncomeTaxExpenseBenefit $ (42,219)us-gaap_IncomeTaxExpenseBenefit