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This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0FHLB, weighted average rate26false 4wsbf_NumberOfFederalHomeLoanBankAdvanceswsbf_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse33falsefalsefalse2truefalsefalse33falsefalsefalse3falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerNumber of Federal Home Loan Bank (FHLB) advances.No definition available.false256Number of Federal Home Loan Bank Advances27false 4us-gaap_FederalHomeLoanBankAdvancesBranchOfFHLBBankInterestRateRangeFromus-gaap_truenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse3.093.09falsefalsefalse2truetruefalse0.03090.0309falsefalsefalse3falsefalsefalse00falsefalsefalsenum:percentItemTypepureDiscloses the lowest interest rate applicable to any of the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-DEP -Paragraph 17, 37 -IssueDate 2006-05-01 -Chapter 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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