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FAIR VALUE MEASUREMENTS (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Sep. 30, 2014
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Available-for-sale Securities [Abstract] |  |
Total debt securities | $ 676,159 us-gaap_AvailableForSaleSecuritiesDebtSecurities | $ 657,870 us-gaap_AvailableForSaleSecuritiesDebtSecurities
Total available for sale securities | 1,202,536 us-gaap_AvailableForSaleSecurities | 1,140,216 us-gaap_AvailableForSaleSecurities
Held-to-maturity Securities [Abstract] |  |
Total held to maturity securities | 311,999 us-gaap_HeldToMaturitySecuritiesFairValue | 279,312 us-gaap_HeldToMaturitySecuritiesFairValue
Level 1 [Member] |  |
Available-for-sale Securities [Abstract] |  |
Total available for sale securities | 966 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 825 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Held-to-maturity Securities [Abstract] |  |
Total held to maturity securities | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 1 [Member] | One to Four Family Residential Mortgage Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 1 [Member] | Commercial and Multi-family Real Estate Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 1 [Member] | Agricultural Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 1 [Member] | Consumer Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_ConsumerLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_ConsumerLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 1 [Member] | Commercial Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_CommercialLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_CommercialLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member
Level 2 [Member] |  |
Available-for-sale Securities [Abstract] |  |
Total available for sale securities | 1,201,570 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 1,139,391 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Held-to-maturity Securities [Abstract] |  |
Total held to maturity securities | 311,999 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 279,312 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 2 [Member] | One to Four Family Residential Mortgage Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 2 [Member] | Commercial and Multi-family Real Estate Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 2 [Member] | Agricultural Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 2 [Member] | Consumer Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_ConsumerLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_ConsumerLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 2 [Member] | Commercial Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_CommercialLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_CommercialLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member
Level 3 [Member] |  |
Available-for-sale Securities [Abstract] |  |
Total available for sale securities | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Held-to-maturity Securities [Abstract] |  |
Total held to maturity securities | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 630,251 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 504,388 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Total Impaired Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 6,524 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ImpairedLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 1,152 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ImpairedLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | One to Four Family Residential Mortgage Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 111,355 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 111,254 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Commercial and Multi-family Real Estate Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 270,464 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 234,845 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Agricultural Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 43,101 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 44,398 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Consumer Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 30,889 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_ConsumerLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 29,580 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_ConsumerLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Commercial Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 21,746 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_CommercialLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 25,660 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = us-gaap_CommercialLoanMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Level 3 [Member] | Foreclosed Assets, Net [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ForeclosedAssetsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member | 15 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ForeclosedAssetsMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member
Recurring [Member] |  |
Available-for-sale Securities [Abstract] |  |
Trust preferred and corporate securities | 21,169 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 46,929 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 37,367 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 67,012 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 466,875 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 367,580 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 676,159 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 657,870 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 1,201,570 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 1,139,391 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 966 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 825 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total available for sale securities | 1,202,536 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 1,140,216 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Held-to-maturity Securities [Abstract] |  |
Trust preferred and corporate securities | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 19,254 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 18,980 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 224,667 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 192,160 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 68,078 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 68,172 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 311,999 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 279,312 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total held to maturity securities | 311,999 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 279,312 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Recurring [Member] | Level 1 [Member] |  |
Available-for-sale Securities [Abstract] |  |
Trust preferred and corporate securities | 0 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 0 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 0 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 0 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 966 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 825 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total available for sale securities | 966 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 825 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Held-to-maturity Securities [Abstract] |  |
Trust preferred and corporate securities | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 0 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 0 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total held to maturity securities | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Recurring [Member] | Level 2 [Member] |  |
Available-for-sale Securities [Abstract] |  |
Trust preferred and corporate securities | 21,169 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 46,929 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 37,367 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 67,012 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 466,875 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 367,580 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 676,159 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 657,870 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 1,201,570 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 1,139,391 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 0 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total available for sale securities | 1,201,570 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 1,139,391 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Held-to-maturity Securities [Abstract] |  |
Trust preferred and corporate securities | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 19,254 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 18,980 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 224,667 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 192,160 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 68,078 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 68,172 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 311,999 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 279,312 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total held to maturity securities | 311,999 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 279,312 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel2Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Recurring [Member] | Level 3 [Member] |  |
Available-for-sale Securities [Abstract] |  |
Trust preferred and corporate securities | 0 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_TrustPreferredAndCorporateSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 0 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_SmallBusinessAdministrationSecuritiesAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 0 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_MortgageBackedSecuritiesAvailableForSaleFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 0 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 0 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_CommonEquitiesAndMutualFundsAvailableForSale / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total available for sale securities | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_AvailableForSaleSecurities / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Held-to-maturity Securities [Abstract] |  |
Trust preferred and corporate securities | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_TrustPreferredAndCorporateSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Small business administration securities | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_SmallBusinessAdministrationSecuritiesHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Obligations of states and political subdivisions | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_ObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Non-bank qualified obligations of states and political subdivisions | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_NonBankQualifiedObligationsOfStatesAndPoliticalSubdivisionsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Mortgage-backed securities | 0 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_MortgageBackedSecuritiesHeldToMaturityFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total debt securities | 0 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_HeldToMaturitySecuritiesDebtSecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Common equities and mutual funds | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 cash_CommonEquitiesAndMutualFundsHeldToMaturity / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Total held to maturity securities | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember | 0 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsRecurringMember
Nonrecurring [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 6,524 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 1,167 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Total Impaired Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 6,524 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 1,152 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ImpairedLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | One to Four Family Residential Mortgage Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 54 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 222 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Commercial and Multi-family Real Estate Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 662 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 930 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Agricultural Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 5,808 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember |
Nonrecurring [Member] | Foreclosed Assets, Net [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ForeclosedAssetsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 15 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ForeclosedAssetsMember / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Level 1 [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Level 1 [Member] | Total Impaired Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ImpairedLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_ImpairedLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Level 1 [Member] | One to Four Family Residential Mortgage Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_OneToFourFamilyResidentialMortgageLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Level 1 [Member] | Commercial and Multi-family Real Estate Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_CommercialAndMultifamilyRealEstateLoansMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember
Nonrecurring [Member] | Level 1 [Member] | Agricultural Operating Loans [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
Fair value | 0 us-gaap_LoansReceivableFairValueDisclosure / us-gaap_FairValueByAssetClassAxis = cash_AgriculturalOperatingMember / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel1Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember |
Nonrecurring [Member] | Level 1 [Member] | Foreclosed Assets, Net [Member] |  |
Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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Fair value of assets measured on non-recurring basis [Abstract] |  |
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