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Available-for-Sale Securities, at Fair Value Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] | ||
| Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities | $ (127)us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities | $ (212)us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNetAvailableforsaleSecurities |
| Other than Temporary Impairment Losses, Investments, Number, Available-for-sale Securities | 1two_OtherThanTemporaryImpairmentLossesInvestmentsNumberAvailableForSaleSecurities | 3two_OtherThanTemporaryImpairmentLossesInvestmentsNumberAvailableForSaleSecurities |
| Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Market Value | 144,774two_OtherthanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesMarketValue | |
| Available-for-sale Securities, Weighted Average Cumulative Losses | 10.10%two_OtherthanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedinEarningsNetQualitativeDisclosuresWeightedAverageCumulativeLosses | |
| Available-for-sale Securities, Weighted Average Three-Month Prepayment Speed | 0.046two_OtherthanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedinEarningsNetQualitativeDisclosuresWeightedAverageThreeMonthPrepaymentSpeed | |
| Other than Temporary Impairment Losses, Investments, Available-for-sale Securities, Portion Recognized in Earnings, Net, Qualitative Disclosures, Delinquency Rate | 28.80%us-gaap_OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedInEarningsNetQualitativeDisclosuresDelinquencyRate | |
| Available-for-sale Securities, Weighted Average FICO Score | 664two_OtherthanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecuritiesPortionRecognizedinEarningsNetQualitativeDisclosuresWeightedAverageFICOScore | |
| Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Beginning Balance | (8,241)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld | (9,467)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld |
| Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment | 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment | (91)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsNoPreviousImpairment |
| Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses | (127)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses | (121)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses |
| Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Cash Flows | 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows | 464us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsCashFlows |
| Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold | 1,916us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold | 0us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold |
| Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance | $ (6,452)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld | $ (9,215)us-gaap_OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld |
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- Definition
This item represents the market value of all available-for-sale securities held as of period end that have experienced other-than-temporary impairments. No definition available.
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- Definition
This item represents the weighted average cumulative losses of the securities that were considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other-than-temporarily impaired. No definition available.
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- Definition
This item represents the weighted average FICO score of the securities that were considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other-than-temporarily impaired. No definition available.
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- Definition
This item represents the weighted average three-month prepayment speed of the securities that were considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other-than-temporarily impaired. No definition available.
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- Definition
The number of securities for which an other than temporary impairment loss was recorded on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis. No definition available.
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- Definition
This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which a previous OTTI was recognized and the investor does not intend to sell the debt security and it is not more likely than not that the investor will be required to sell the debt security before recovery of its amortized cost basis. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This item represents an increase to the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held for which no such other than temporary impairment (OTTI) was previously recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The cumulative amount of credit losses recognized in earnings related to debt securities held for which a portion of an other than temporary impairment (OTTI) was recognized in other comprehensive income (a component of shareholders' equity). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security held due to increases in cash flows expected to be collected and recognized over the remaining life of the security. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This item represents reductions in the cumulative amount of credit losses recognized in earnings for an other than temporary impairment (OTTI) of a debt security because of the sale of impaired securities during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
This item represents the delinquency rates of the underlying assets in the security that was considered as one of the potential factors in reaching a conclusion that the available-for-sale investments are other than temporarily impaired and measure the amount of impairment related to credit loss recognized in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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