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LOANS AND RELATED ALLOWANCE FOR LOAN LOSSES (Schedule of Loans by Internal Classification) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Jun. 30, 2014
First Mortgage Loans - Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable $ 4,373us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansConstructionMember		 $ 1,872us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansConstructionMember
First Mortgage Loans - Land Acquisition and Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 707us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansLandAcquisitionAndDevelopmentMember		 573us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansLandAcquisitionAndDevelopmentMember
First Mortgage Loans - Multi-family Dwellings [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 3,986us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansMultifamilyDwellingsMember		 2,327us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansMultifamilyDwellingsMember
First Mortgage Loans - Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 3,470us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansCommercialMember		 4,523us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansCommercialMember
Commercial Loan [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 1,357us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_CommercialLoansOneMember		 1,584us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_CommercialLoansOneMember
Obligations (Other Than Securities and Leases) of States and Political Subdivisions [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable   400us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_ObligationsOtherThanSecuritiesAndLeasesOfStatesAndPoliticalSubdivisionsMember
Pass [Member] | First Mortgage Loans - Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 4,373us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 1,872us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | First Mortgage Loans - Land Acquisition and Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 396us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansLandAcquisitionAndDevelopmentMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 258us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansLandAcquisitionAndDevelopmentMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | First Mortgage Loans - Multi-family Dwellings [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 3,986us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansMultifamilyDwellingsMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 2,327us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansMultifamilyDwellingsMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | First Mortgage Loans - Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 3,421us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansCommercialMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 4,474us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansCommercialMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | Commercial Loan [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 1,357us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_CommercialLoansOneMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 1,584us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_CommercialLoansOneMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Pass [Member] | Obligations (Other Than Securities and Leases) of States and Political Subdivisions [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable   400us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_ObligationsOtherThanSecuritiesAndLeasesOfStatesAndPoliticalSubdivisionsMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
Special Mention [Member] | First Mortgage Loans - Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Special Mention [Member] | First Mortgage Loans - Land Acquisition and Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Special Mention [Member] | First Mortgage Loans - Multi-family Dwellings [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Special Mention [Member] | First Mortgage Loans - Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Special Mention [Member] | Commercial Loan [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Special Mention [Member] | Obligations (Other Than Securities and Leases) of States and Political Subdivisions [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable     
Substandard [Member] | First Mortgage Loans - Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Substandard [Member] | First Mortgage Loans - Land Acquisition and Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 311us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansLandAcquisitionAndDevelopmentMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 315us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansLandAcquisitionAndDevelopmentMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Substandard [Member] | First Mortgage Loans - Multi-family Dwellings [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Substandard [Member] | First Mortgage Loans - Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable 49us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansCommercialMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 49us-gaap_NotesReceivableNet
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= wvfc_FirstMortgageLoansCommercialMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
Substandard [Member] | Commercial Loan [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Substandard [Member] | Obligations (Other Than Securities and Leases) of States and Political Subdivisions [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable     
Doubtful [Member] | First Mortgage Loans - Construction [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Doubtful [Member] | First Mortgage Loans - Land Acquisition and Development [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Doubtful [Member] | First Mortgage Loans - Multi-family Dwellings [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Doubtful [Member] | First Mortgage Loans - Commercial [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Doubtful [Member] | Commercial Loan [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable      
Doubtful [Member] | Obligations (Other Than Securities and Leases) of States and Political Subdivisions [Member]    
Financing Receivable, Recorded Investment [Line Items]    
Loans receivable