Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity Reclassifications out of Accumulated Other Comprehensive Income (Details)

v2.4.1.9
Stockholders' Equity Reclassifications out of Accumulated Other Comprehensive Income (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Gain (Loss) on Investments, Excluding Other than Temporary Impairments $ (87,201)us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments $ 54,608us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments $ (122,466)us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
Reclassification out of Accumulated Other Comprehensive Income [Member]      
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]      
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net 392us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
1,662us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
10,952us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Gain (Loss) on Investments, Excluding Other than Temporary Impairments (52,931)us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
44,780us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
(123,534)us-gaap_GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest $ (52,539)us-gaap_ProfitLoss
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
$ 46,442us-gaap_ProfitLoss
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember
$ (112,582)us-gaap_ProfitLoss
/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis
= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember