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Federal Home Loan Bank of Des Moines Advances Schedule of Underlying Assets of Federal Home Loan Bank Advances (Details) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
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Dec. 31, 2013
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| Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | $ 2,762,920us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 | $ 0us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 |
| Available-for-sale Securities [Member] | ||
| Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged |
2,284,532us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 / two_SecuritiesorOtherAssetsUnderlyingFederalHomeLoanBankAdvancesAxis = us-gaap_AvailableforsaleSecuritiesMember |
0us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 / two_SecuritiesorOtherAssetsUnderlyingFederalHomeLoanBankAdvancesAxis = us-gaap_AvailableforsaleSecuritiesMember |
| Loans Held-for-sale, Mortgages [Member] | ||
| Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged |
397,656us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 / two_SecuritiesorOtherAssetsUnderlyingFederalHomeLoanBankAdvancesAxis = two_LoansHeldForSaleMortgagesMember |
0us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 / two_SecuritiesorOtherAssetsUnderlyingFederalHomeLoanBankAdvancesAxis = two_LoansHeldForSaleMortgagesMember |
| Retained Interest [Member] | ||
| Schedule of Assets Underlying Federal Home Loan Bank Advances [Line Items] | ||
| Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged |
$ 80,732us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 / two_SecuritiesorOtherAssetsUnderlyingFederalHomeLoanBankAdvancesAxis = us-gaap_RetainedInterestMember |
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Amount of the collateral pledged in support of federal home loan bank advances outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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