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Investment Securities: Mortgage Backed Securities Policy (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Mar. 31, 2015
Mar. 31, 2014
Jun. 30, 2013
security
Schedule of Available-for-sale Securities [Line Items]          
Principal payments from investment securities available for sale $ 331,000us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS $ 666,000us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS $ 1,628,000us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS $ 2,285,000us-gaap_ProceedsFromMaturitiesPrepaymentsAndCallsOfMortgageBackedSecuritiesMBS  
purchase of common stock in community development financial institution     250,000prov_Purchaseofcommonstockincommunitydevelopmentfinancialinstitution    
Other-than-temporary impairments, investments $ 0us-gaap_ImpairmentOfInvestments $ 0us-gaap_ImpairmentOfInvestments $ 0us-gaap_ImpairmentOfInvestments    
Private issue CMO | Available for sale          
Schedule of Available-for-sale Securities [Line Items]          
Number of investment securities held 1prov_AvailableForSaleSecuritiesInUnrealizedLossPositionQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear
/ us-gaap_InvestmentTypeAxis
= us-gaap_CollateralizedMortgageObligationsMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AvailableforsaleSecuritiesMember
  1prov_AvailableForSaleSecuritiesInUnrealizedLossPositionQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear
/ us-gaap_InvestmentTypeAxis
= us-gaap_CollateralizedMortgageObligationsMember
/ us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis
= us-gaap_AvailableforsaleSecuritiesMember
   
Available for sale | Private issue CMO          
Schedule of Available-for-sale Securities [Line Items]          
Number of investment securities held         0prov_NumberOfInvestmentSecuritiesHeld
/ us-gaap_GainLossOnInvestmentsByCategoryAxis
= us-gaap_AvailableforsaleSecuritiesMember
/ us-gaap_InvestmentTypeAxis
= us-gaap_CollateralizedMortgageObligationsMember