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Borrowings - Borrowings (Parenthetical) (Detail) | Dec. 31, 2014
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Maximum [Member] |
Borrowings Under Repurchase Agreements [Line items] |
Federal Home Loan Bank advances, variable and fixed rates | 7.53%us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate / us-gaap_RangeAxis = us-gaap_MaximumMember
Minimum [Member] |
Borrowings Under Repurchase Agreements [Line items] |
Federal Home Loan Bank advances, variable and fixed rates | 0.32%us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresWeightedAverageInterestRate / us-gaap_RangeAxis = us-gaap_MinimumMember

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- Definition States the weighted average interest rate applicable to the advances from the Federal Home Loan Bank outstanding as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.13(3)(a)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Industry Guide -Number 3 -Section VII -Subsection 1 + Details
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