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Federal Home Loan Bank Advances - Schedule of Federal Home Loan Advances Pledged by Assets (Detail) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
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Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Collateralized advances | $ 24,077 | $ 28,883
Single-family mortgage loans [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Collateralized advances | 9,917 | 11,141
Multi-family mortgage loans [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Collateralized advances | 4,968 | 4,222
Commercial Real Estate [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Collateralized advances | 1,185 | 3,384
Securities [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Collateralized advances | 4,707 | 9,336
Cash [Member] |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |
Collateralized advances | $ 3,300 | $ 800

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- Definition Carrying amount of Federal Home Loan Bank (FHLB) loans (advances) to member financial institutions. + References No definition available. + Details
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- Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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