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SECURITIES (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Sep. 30, 2014
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Available-for-sale debt securities [Abstract] |  |  |  |
Fair value | $ 577,460 us-gaap_AvailableForSaleSecuritiesDebtSecurities |  | $ 657,870 us-gaap_AvailableForSaleSecuritiesDebtSecurities |
Available-for-sale equity securities [Abstract] |  |  |  |
Fair value | 470,997 us-gaap_AvailableForSaleSecuritiesEquitySecurities |  | 482,346 us-gaap_AvailableForSaleSecuritiesEquitySecurities |
Available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 1,048,818 us-gaap_AvailableForSaleSecuritiesAmortizedCost |  | 1,148,414 us-gaap_AvailableForSaleSecuritiesAmortizedCost |
Gross unrealized gains | 8,554 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax |  | 7,038 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax |
Gross unrealized (losses) | (8,915)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax |  | (15,236)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax |
Fair value | 1,048,457 us-gaap_AvailableForSaleSecurities |  | 1,140,216 us-gaap_AvailableForSaleSecurities |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Fair value | 1,048,457 us-gaap_AvailableForSaleSecurities |  | 1,140,216 us-gaap_AvailableForSaleSecurities |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 179,390 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |  | 280,692 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
LESS THAN 12 MONTHS, Unrealized (Losses) | (814)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |  | (1,442)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
OVER 12 MONTHS, Fair Value | 329,911 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |  | 450,852 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
OVER 12 MONTHS, Unrealized (Losses) | (8,101)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |  | (13,794)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
TOTAL, Fair Value | 509,301 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue |  | 731,544 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue |
TOTAL, Unrealized (Losses) | (8,915)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |  | (15,236)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
AMORTIZED COST [Abstract] |  |  |  |
Due in one year or less | 3,000 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost |  | 2,999 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost |
Due after one year through five years | 2,908 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost |  | 9,922 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost |
Due after five years through ten years | 286,966 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost |  | 285,413 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost |
Due after ten years | 177,204 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost |  | 185,851 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost |
Total | 470,078 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |  | 484,185 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |
Mortgage-backed securities | 578,196 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost |  | 663,690 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost |
Common equities and mutual funds | 544 cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateAmortizedCostBasis |  | 539 cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateAmortizedCostBasis |
Amortized cost | 1,048,818 us-gaap_AvailableForSaleSecuritiesAmortizedCost |  | 1,148,414 us-gaap_AvailableForSaleSecuritiesAmortizedCost |
FAIR VALUE [Abstract] |  |  |  |
Due in one year or less | 3,035 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue |  | 3,048 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue |
Due after one year through five years | 2,934 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |  | 10,079 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
Due after five years through ten years | 289,666 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |  | 285,698 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |
Due after ten years | 174,509 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue |  | 182,696 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue |
Total | 470,144 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate |  | 481,521 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate |
Mortgage-backed securities | 577,460 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |  | 657,870 us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
Common equities and mutual funds | 853 cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateFairValue |  | 825 cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateFairValue |
Total available for sale securities | 1,048,457 us-gaap_AvailableForSaleSecurities |  | 1,140,216 us-gaap_AvailableForSaleSecurities |
Held-to-maturity Securities [Abstract] |  |  |  |
Amortized cost | 303,315 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment |  | 282,933 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment |
Gross unrealized gains | 1,405 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |  | 942 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain |
Gross unrealized (losses) | (2,171)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |  | (4,563)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss |
Fair value | 302,549 us-gaap_HeldToMaturitySecuritiesFairValue |  | 279,312 us-gaap_HeldToMaturitySecuritiesFairValue |
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 5,539 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |  | 1,056 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue |
OVER 12 MONTHS, Fair Value | 204,887 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |  | 230,200 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue |
TOTAL, Fair Value | 210,426 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |  | 231,256 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue |
LESS THAN 12 MONTHS, Unrealized (Losses) | (10)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |  | (2)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss |
OVER 12 MONTHS, Unrealized (Losses) | (2,161)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |  | (4,561)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss |
TOTAL, Unrealized (Losses) | (2,171)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |  | (4,563)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss |
AMORTIZED COST [Abstract] |  |  |  |
Due in one year or less | 345 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount |  | 347 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount |
Due after one year through five years | 5,367 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount |  | 4,726 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount |
Due after five years through ten years | 104,112 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount |  | 91,532 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount |
Due after ten years | 122,707 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount |  | 116,294 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount |
Total | 232,531 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |  | 212,899 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis |
Mortgage-backed securities | 70,784 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |  | 70,034 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount |
Amortized cost | 303,315 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment |  | 282,933 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment |
FAIR VALUE [Abstract] |  |  |  |
Due in one year or less | 345 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue |  | 348 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue |
Due after one year through five years | 5,320 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |  | 4,718 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue |
Due after five years through ten years | 103,403 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |  | 89,984 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue |
Due after ten years | 123,508 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue |  | 116,090 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue |
Total | 232,576 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue |  | 211,140 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue |
Mortgage-backed securities | 69,973 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |  | 68,172 us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue |
Total held to maturity securities | 302,549 us-gaap_HeldToMaturitySecuritiesFairValue |  | 279,312 us-gaap_HeldToMaturitySecuritiesFairValue |
Trust Preferred Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 19,381 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 19,368 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Available-for-sale securities [Abstract] |  |  |  |
Fair value | 16,500 us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 17,500 us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 19,381 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 19,368 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Fair value | 16,500 us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 17,500 us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Unrealized gain (loss) | (2,881)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | (1,868)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities | 16,500 us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 17,500 us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
S&P Credit Rating, BBB- [Member] | Moody Credit Rating, Baa2 [Member] | PNC Capital Trust [Member] | Trust Preferred Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 4,963 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,962 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Available-for-sale securities [Abstract] |  |  |  |
Fair value | 4,200 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 4,963 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,962 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Fair value | 4,200 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Unrealized gain (loss) | (763)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | (562)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities | 4,200 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
S&P Credit Rating, BB+ [Member] | Moody Credit Rating, Baa3 [Member] | Key Corp Capital I [Member] | Trust Preferred Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 4,986 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,985 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Available-for-sale securities [Abstract] |  |  |  |
Fair value | 4,100 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 4,986 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,985 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Fair value | 4,100 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Unrealized gain (loss) | (886)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | (585)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities | 4,100 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
S&P Credit Rating, BBB+ [Member] | Moody Credit Rating, A3 [Member] | Wells Fargo (Corestates Capital) Trust [Member] | Trust Preferred Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 4,455 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,444 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Available-for-sale securities [Abstract] |  |  |  |
Fair value | 4,200 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 4,455 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,444 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Fair value | 4,200 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Unrealized gain (loss) | (255)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | (44)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities | 4,200 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,400 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
S&P Credit Rating BB [Member] | Moody Credit Rating, Baa3 [Member] | Huntington Capital Trust II SE [Member] | Trust Preferred Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 4,977 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,977 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Available-for-sale securities [Abstract] |  |  |  |
Fair value | 4,000 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,300 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 4,977 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,977 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Fair value | 4,000 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,300 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Unrealized gain (loss) | (977)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | (677)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities | 4,000 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1] | 4,300 us-gaap_AvailableForSaleSecurities / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember | [1]
Debt Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 1,048,274 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  |  |
Gross unrealized gains | 8,239 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  |  |
Gross unrealized (losses) | (8,909)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  |  |
Fair value | 1,047,604 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  |  |
Available-for-sale securities [Abstract] |  |  |  |
Amortized cost |  |  | 1,147,875 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
Gross unrealized gains |  |  | 6,747 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
Gross unrealized (losses) |  |  | (15,231)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
Fair value |  |  | 1,139,391 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 1,048,274 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  |  |
Fair value |  |  | 1,139,391 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 179,390 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  | 280,569 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | (814)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  | (1,437)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
OVER 12 MONTHS, Fair Value | 329,788 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  | 450,852 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
OVER 12 MONTHS, Unrealized (Losses) | (8,095)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  | (13,794)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
TOTAL, Fair Value | 509,178 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  | 731,421 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
TOTAL, Unrealized (Losses) | (8,909)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |  | (15,231)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
AMORTIZED COST [Abstract] |  |  |  |
Amortized cost |  |  | 1,147,875 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities |  |  | 1,139,391 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember |
Trust Preferred and Corporate Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 23,684 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 48,747 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
Gross unrealized gains | 35 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 191 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
Gross unrealized (losses) | (2,905)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | (2,009)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
Fair value | 20,814 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 46,929 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 23,684 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 48,747 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 6,073 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | (47)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
OVER 12 MONTHS, Fair Value | 17,779 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 25,359 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
OVER 12 MONTHS, Unrealized (Losses) | (2,905)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | (1,962)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
TOTAL, Fair Value | 17,779 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | 31,432 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
TOTAL, Unrealized (Losses) | (2,905)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |  | (2,009)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember |
Small Business administration Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 36,449 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |  | 66,541 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
Gross unrealized gains | 1,175 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |  | 543 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
Gross unrealized (losses) | 0 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |  | (72)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
Fair value | 37,624 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |  | 67,012 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 36,449 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |  | 66,541 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value |  |  | 8,454 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
LESS THAN 12 MONTHS, Unrealized (Losses) |  |  | (72)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
OVER 12 MONTHS, Fair Value |  |  | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
OVER 12 MONTHS, Unrealized (Losses) |  |  | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
TOTAL, Fair Value |  |  | 8,454 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
TOTAL, Unrealized (Losses) |  |  | (72)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember |
Non Bank Qualified Obligation U S States And Political Subdivisions [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 409,945 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 368,897 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Gross unrealized gains | 4,047 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 2,494 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Gross unrealized (losses) | (2,286)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (3,811)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Fair value | 411,706 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 367,580 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 409,945 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 368,897 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 27,499 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 27,062 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | (113)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (70)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
OVER 12 MONTHS, Fair Value | 147,129 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 191,146 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
OVER 12 MONTHS, Unrealized (Losses) | (2,173)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (3,741)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
TOTAL, Fair Value | 174,628 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 218,208 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
TOTAL, Unrealized (Losses) | (2,286)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (3,811)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Held-to-maturity Securities [Abstract] |  |  |  |
Amortized cost | 213,239 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 193,595 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Gross unrealized gains | 1,365 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 894 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Gross unrealized (losses) | (1,096)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (2,329)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Fair value | 213,508 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 192,160 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 2,077 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 0 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
OVER 12 MONTHS, Fair Value | 122,185 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 147,949 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
TOTAL, Fair Value | 124,262 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 147,949 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | (2)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 0 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
OVER 12 MONTHS, Unrealized (Losses) | (1,094)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (2,329)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
TOTAL, Unrealized (Losses) | (1,096)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | (2,329)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
AMORTIZED COST [Abstract] |  |  |  |
Amortized cost | 213,239 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 193,595 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
FAIR VALUE [Abstract] |  |  |  |
Total held to maturity securities | 213,508 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |  | 192,160 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember |
Mortgage-backed Securities [Member] |  |  |  |
Available-for-sale debt securities [Abstract] |  |  |  |
Amortized cost | 578,196 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 663,690 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Gross unrealized gains | 2,982 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 3,519 us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Gross unrealized (losses) | (3,718)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (9,339)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Fair value | 577,460 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 657,870 us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Amortized cost | 578,196 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 663,690 us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 151,891 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 238,980 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | (701)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (1,248)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
OVER 12 MONTHS, Fair Value | 164,880 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 234,347 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
OVER 12 MONTHS, Unrealized (Losses) | (3,017)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (8,091)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
TOTAL, Fair Value | 316,771 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 473,327 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
TOTAL, Unrealized (Losses) | (3,718)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (9,339)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Held-to-maturity Securities [Abstract] |  |  |  |
Amortized cost | 70,784 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 70,034 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Gross unrealized gains | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 0 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Gross unrealized (losses) | (811)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (1,862)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Fair value | 69,973 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 68,172 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 2,603 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 0 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
OVER 12 MONTHS, Fair Value | 67,370 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 68,172 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
TOTAL, Fair Value | 69,973 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 68,172 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | (2)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 0 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
OVER 12 MONTHS, Unrealized (Losses) | (809)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (1,862)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
TOTAL, Unrealized (Losses) | (811)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | (1,862)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
AMORTIZED COST [Abstract] |  |  |  |
Amortized cost | 70,784 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 70,034 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
FAIR VALUE [Abstract] |  |  |  |
Total held to maturity securities | 69,973 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |  | 68,172 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember |
Obligations of States and Political Subdivisions [Member] |  |  |  |
Held-to-maturity Securities [Abstract] |  |  |  |
Amortized cost | 19,292 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 19,304 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Gross unrealized gains | 40 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 48 us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Gross unrealized (losses) | (264)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | (372)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Fair value | 19,068 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 18,980 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 859 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 1,056 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
OVER 12 MONTHS, Fair Value | 15,332 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 14,079 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
TOTAL, Fair Value | 16,191 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 15,135 us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | (6)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | (2)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
OVER 12 MONTHS, Unrealized (Losses) | (258)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | (370)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
TOTAL, Unrealized (Losses) | (264)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | (372)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
AMORTIZED COST [Abstract] |  |  |  |
Amortized cost | 19,292 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 19,304 us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
FAIR VALUE [Abstract] |  |  |  |
Total held to maturity securities | 19,068 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |  | 18,980 us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember |
Common Equities and Mutual Funds [Member] |  |  |  |
Available-for-sale equity securities [Abstract] |  |  |  |
Amortized cost | 544 us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  |  |
Gross unrealized gains | 315 us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  |  |
Gross unrealized (losses) | (6)us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  |  |
Fair value | 853 us-gaap_AvailableForSaleSecuritiesEquitySecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  |  |
Available-for-sale securities [Abstract] |  |  |  |
Amortized cost |  |  | 539 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
Gross unrealized gains |  |  | 291 us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
Gross unrealized (losses) |  |  | (5)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
Fair value |  |  | 825 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
Trust preferred securities included in available-for-sale securities [Abstract] |  |  |  |
Fair value |  |  | 825 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
Available-for-sale securities in a continuous unrealized loss position [Abstract] |  |  |  |
LESS THAN 12 MONTHS, Fair Value | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  | 123 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
LESS THAN 12 MONTHS, Unrealized (Losses) | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  | (5)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
OVER 12 MONTHS, Fair Value | 123 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
OVER 12 MONTHS, Unrealized (Losses) | (6)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  | 0 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
TOTAL, Fair Value | 123 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  | 123 us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
TOTAL, Unrealized (Losses) | (6)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |  | (5)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
AMORTIZED COST [Abstract] |  |  |  |
Amortized cost |  |  | 539 us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
FAIR VALUE [Abstract] |  |  |  |
Total available for sale securities |  |  | $ 825 us-gaap_AvailableForSaleSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember |
[1] | Trust preferred securities are single-issuance. There are no known deferrals, defaults or excess subordination.

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