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SECURITIES (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Sep. 30, 2014
Available-for-sale debt securities [Abstract]
Fair value	$ 676,159us-gaap_AvailableForSaleSecuritiesDebtSecurities		$ 657,870us-gaap_AvailableForSaleSecuritiesDebtSecurities
Available-for-sale equity securities [Abstract]
Fair value	526,377us-gaap_AvailableForSaleSecuritiesEquitySecurities		482,346us-gaap_AvailableForSaleSecuritiesEquitySecurities
Available-for-sale securities [Abstract]
Amortized cost	1,196,908us-gaap_AvailableForSaleSecuritiesAmortizedCost		1,148,414us-gaap_AvailableForSaleSecuritiesAmortizedCost
Gross unrealized gains	12,225us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax		7,038us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Gross unrealized (losses)	(6,597)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax		(15,236)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Fair value	1,202,536us-gaap_AvailableForSaleSecurities		1,140,216us-gaap_AvailableForSaleSecurities
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value	278,664us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue		280,692us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
LESS THAN 12 MONTHS, Unrealized (Losses)	(1,788)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss		(1,442)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
OVER 12 MONTHS, Fair Value	195,745us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue		450,852us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
OVER 12 MONTHS, Unrealized (Losses)	(4,809)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss		(13,794)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
TOTAL, Fair Value	474,409us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue		731,544us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
TOTAL, Unrealized (Losses)	(6,597)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss		(15,236)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
AMORTIZED COST [Abstract]
Due in one year or less	3,000us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost		2,999us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
Due after one year through five years	1,183us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost		9,922us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
Due after five years through ten years	300,668us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost		285,413us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
Due after ten years	217,252us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost		185,851us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
Total	522,103us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis		484,185us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
Mortgage-backed securities	674,166us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost		663,690us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost
Common equities and mutual funds	639cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateAmortizedCostBasis		539cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateAmortizedCostBasis
Amortized cost	1,196,908us-gaap_AvailableForSaleSecuritiesAmortizedCost		1,148,414us-gaap_AvailableForSaleSecuritiesAmortizedCost
FAIR VALUE [Abstract]
Due in one year or less	3,017us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue		3,048us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
Due after one year through five years	1,214us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue		10,079us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
Due after five years through ten years	306,344us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue		285,698us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
Due after ten years	214,836us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue		182,696us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
Total	525,411us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate		481,521us-gaap_AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate
Mortgage-backed securities	676,159us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue		657,870us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
Common equities and mutual funds	966cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateFairValue		825cash_AvailableForSaleSecuritiesEquityMaturitiesWithoutSingleMaturityDateFairValue
Total available for sale securities	1,202,536us-gaap_AvailableForSaleSecurities		1,140,216us-gaap_AvailableForSaleSecurities
Held-to-maturity Securities [Abstract]
Amortized cost	311,062us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment		282,933us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
Gross unrealized gains	2,045us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain		942us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
Gross unrealized (losses)	(1,108)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss		(4,563)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
Fair value	311,999us-gaap_HeldToMaturitySecuritiesFairValue		279,312us-gaap_HeldToMaturitySecuritiesFairValue
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
LESS THAN 12 MONTHS, Fair Value	22,644us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue		1,056us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
OVER 12 MONTHS, Fair Value	116,105us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue		230,200us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
TOTAL, Fair Value	138,749us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue		231,256us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
LESS THAN 12 MONTHS, Unrealized (Losses)	(160)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss		(2)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
OVER 12 MONTHS, Unrealized (Losses)	(948)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss		(4,561)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
TOTAL, Unrealized (Losses)	(1,108)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss		(4,563)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
AMORTIZED COST [Abstract]
Due in one year or less	95us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount		347us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
Due after one year through five years	5,357us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount		4,726us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
Due after five years through ten years	111,639us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount		91,532us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
Due after ten years	125,305us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount		116,294us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
Total	242,396us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis		212,899us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis
Mortgage-backed securities	68,666us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount		70,034us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateNetCarryingAmount
Amortized cost	311,062us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment		282,933us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment
FAIR VALUE [Abstract]
Due in one year or less	95us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue		348us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
Due after one year through five years	5,341us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue		4,718us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
Due after five years through ten years	111,880us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue		89,984us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
Due after ten years	126,605us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue		116,090us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
Total	243,921us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue		211,140us-gaap_HeldToMaturitySecuritiesDebtMaturitiesSingleMaturityDateFairValue
Mortgage-backed securities	68,078us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue		68,172us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue
Total held to maturity securities	311,999us-gaap_HeldToMaturitySecuritiesFairValue		279,312us-gaap_HeldToMaturitySecuritiesFairValue
Trust Preferred Securities [Member]
Available-for-sale securities [Abstract]
Amortized cost	19,393us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	19,368us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]
Unrealized gain (loss)	(2,558)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	(1,868)us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainLossBeforeTax / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]
Fair value	16,835us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	17,500us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]
AMORTIZED COST [Abstract]
Amortized cost	19,393us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	19,368us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]
FAIR VALUE [Abstract]
Total available for sale securities	16,835us-gaap_AvailableForSaleSecurities / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	17,500us-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 securities [Abstract]
Amortized cost	4,963us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,962us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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)	(643)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	4,320us-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]	4,400us-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]
AMORTIZED COST [Abstract]
Amortized cost	4,963us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa2RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBMinusRatingMember / dei_LegalEntityAxis = cash_PncCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,962us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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	4,320us-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]	4,400us-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 securities [Abstract]
Amortized cost	4,986us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,985us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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)	(821)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	4,165us-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]	4,400us-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]
AMORTIZED COST [Abstract]
Amortized cost	4,986us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBPlusRatingMember / dei_LegalEntityAxis = cash_KeyCorpCapitalIMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,985us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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	4,165us-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]	4,400us-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 securities [Abstract]
Amortized cost	4,466us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,444us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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)	(116)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	4,350us-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]	4,400us-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]
AMORTIZED COST [Abstract]
Amortized cost	4,466us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysA3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBBPlusRatingMember / dei_LegalEntityAxis = cash_WellsFargoCorestatesCapitalTrustMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,444us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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	4,350us-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]	4,400us-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 securities [Abstract]
Amortized cost	4,978us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,977us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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)	(978)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	4,000us-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]	4,300us-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]
AMORTIZED COST [Abstract]
Amortized cost	4,978us-gaap_AvailableForSaleSecuritiesAmortizedCost / us-gaap_CreditRatingMoodysAxis = us-gaap_MoodysBaa3RatingMember / us-gaap_CreditRatingStandardPoorsAxis = us-gaap_StandardPoorsBBRatingMember / dei_LegalEntityAxis = cash_HuntingtonCapitalTrustIiSeMember / us-gaap_ScheduleOfSharesSubjectToMandatoryRedemptionBySettlementTermsAxis = us-gaap_TrustPreferredSecuritiesSubjectToMandatoryRedemptionMember	[1]	4,977us-gaap_AvailableForSaleSecuritiesAmortizedCost / 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	4,000us-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]	4,300us-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	1,196,269us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
Gross unrealized gains	11,894us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		6,747us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
Gross unrealized (losses)	(6,593)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		(15,231)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
Fair value	1,201,570us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		1,139,391us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value	278,664us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		280,569us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
LESS THAN 12 MONTHS, Unrealized (Losses)	(1,788)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	195,622us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		450,852us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
OVER 12 MONTHS, Unrealized (Losses)	(4,805)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		(13,794)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
TOTAL, Fair Value	474,286us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		731,421us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
TOTAL, Unrealized (Losses)	(6,593)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember		(15,231)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_DebtSecuritiesMember
Trust Preferred and Corporate Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	23,685us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
Gross unrealized gains	43us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		191us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
Gross unrealized (losses)	(2,559)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		(2,009)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
Fair value	21,169us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		46,929us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value	0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		6,073us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
LESS THAN 12 MONTHS, Unrealized (Losses)	0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		(47)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
OVER 12 MONTHS, Fair Value	16,835us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		25,359us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
OVER 12 MONTHS, Unrealized (Losses)	(2,559)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		(1,962)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
TOTAL, Fair Value	16,835us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember		31,432us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_TrustPreferredAndCorporateSecuritiesMember
TOTAL, Unrealized (Losses)	(2,559)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	35,977us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
Gross unrealized gains	1,390us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember		543us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
Gross unrealized (losses)	0us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember		(72)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
Fair value	37,367us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember		67,012us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value			8,454us-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			0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
OVER 12 MONTHS, Unrealized (Losses)			0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
TOTAL, Fair Value			8,454us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
TOTAL, Unrealized (Losses)			(72)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_SmallBusinessAdministrationSecuritiesMember
Non-bank Qualified Obligations of States and Political Subdivisions [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	462,441us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Gross unrealized gains	6,058us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		2,494us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Gross unrealized (losses)	(1,624)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		(3,811)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Fair value	466,875us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		367,580us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value	74,300us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		27,062us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
LESS THAN 12 MONTHS, Unrealized (Losses)	(778)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		(70)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
OVER 12 MONTHS, Fair Value	53,874us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		191,146us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
OVER 12 MONTHS, Unrealized (Losses)	(846)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		(3,741)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
TOTAL, Fair Value	128,174us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		218,208us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
TOTAL, Unrealized (Losses)	(1,624)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	222,982us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		193,595us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Gross unrealized gains	1,995us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		894us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Gross unrealized (losses)	(310)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		(2,329)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Fair value	224,667us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		192,160us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
LESS THAN 12 MONTHS, Fair Value	18,183us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		0us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
OVER 12 MONTHS, Fair Value	40,685us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		147,949us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
TOTAL, Fair Value	58,868us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		147,949us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
LESS THAN 12 MONTHS, Unrealized (Losses)	(106)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		0us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
OVER 12 MONTHS, Unrealized (Losses)	(204)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		(2,329)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
TOTAL, Unrealized (Losses)	(310)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		(2,329)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
AMORTIZED COST [Abstract]
Amortized cost	222,982us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		193,595us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
FAIR VALUE [Abstract]
Total held to maturity securities	224,667us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember		192,160us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_NonBankQualifiedObligationUSStatesAndPoliticalSubdivisionsMember
Mortgage-backed Securities [Member]
Available-for-sale debt securities [Abstract]
Amortized cost	674,166us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Gross unrealized gains	4,403us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		3,519us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Gross unrealized (losses)	(2,410)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		(9,339)us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Fair value	676,159us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		657,870us-gaap_AvailableForSaleSecuritiesDebtSecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value	204,364us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		238,980us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
LESS THAN 12 MONTHS, Unrealized (Losses)	(1,010)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	124,913us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		234,347us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
OVER 12 MONTHS, Unrealized (Losses)	(1,400)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		(8,091)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
TOTAL, Fair Value	329,277us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		473,327us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
TOTAL, Unrealized (Losses)	(2,410)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	68,666us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		70,034us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Gross unrealized gains	5us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		0us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Gross unrealized (losses)	(593)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		(1,862)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Fair value	68,078us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		68,172us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
LESS THAN 12 MONTHS, Fair Value	0us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		0us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
OVER 12 MONTHS, Fair Value	65,482us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		68,172us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
TOTAL, Fair Value	65,482us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		68,172us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
LESS THAN 12 MONTHS, Unrealized (Losses)	0us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		0us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
OVER 12 MONTHS, Unrealized (Losses)	(593)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		(1,862)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
TOTAL, Unrealized (Losses)	(593)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	68,666us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		70,034us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
FAIR VALUE [Abstract]
Total held to maturity securities	68,078us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember		68,172us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_MortgageBackedSecuritiesMember
Obligations of States and Political Subdivisions [Member]
Held-to-maturity Securities [Abstract]
Amortized cost	19,414us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		19,304us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
Gross unrealized gains	45us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		48us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
Gross unrealized (losses)	(205)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		(372)us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
Fair value	19,254us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		18,980us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
LESS THAN 12 MONTHS, Fair Value	4,461us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		1,056us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
OVER 12 MONTHS, Fair Value	9,938us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		14,079us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
TOTAL, Fair Value	14,399us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		15,135us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
LESS THAN 12 MONTHS, Unrealized (Losses)	(54)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		(2)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
OVER 12 MONTHS, Unrealized (Losses)	(151)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		(370)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
TOTAL, Unrealized (Losses)	(205)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		(372)us-gaap_HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
AMORTIZED COST [Abstract]
Amortized cost	19,414us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		19,304us-gaap_HeldToMaturitySecuritiesAmortizedCostBeforeOtherThanTemporaryImpairment / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
FAIR VALUE [Abstract]
Total held to maturity securities	19,254us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember		18,980us-gaap_HeldToMaturitySecuritiesFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = us-gaap_USStatesAndPoliticalSubdivisionsMember
Common Equities and Mutual Funds [Member]
Available-for-sale equity securities [Abstract]
Amortized cost	639us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		539us-gaap_AvailableForSaleEquitySecuritiesAmortizedCostBasis / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
Gross unrealized gains	331us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		291us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedGainBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
Gross unrealized (losses)	(4)us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		(5)us-gaap_AvailableForSaleEquitySecuritiesAccumulatedGrossUnrealizedLossBeforeTax / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
Fair value	966us-gaap_AvailableForSaleSecuritiesEquitySecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		825us-gaap_AvailableForSaleSecuritiesEquitySecurities / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
Available-for-sale securities in a continuous unrealized loss position [Abstract]
LESS THAN 12 MONTHS, Fair Value	0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		123us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
LESS THAN 12 MONTHS, Unrealized (Losses)	0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		(5)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
OVER 12 MONTHS, Fair Value	123us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
OVER 12 MONTHS, Unrealized (Losses)	(4)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		0us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
TOTAL, Fair Value	123us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		123us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
TOTAL, Unrealized (Losses)	$ (4)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember		$ (5)us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss / us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis = cash_CommonEquitiesAndMutualFundsMember
[1] Trust preferred securities are single-issuance. There are no known deferrals, defaults or excess subordination.

X

- Definition

Amount of available-for-sale equity securities at cost, net of adjustments, that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the cost over several maturity groupings. Adjustments include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments.

+ References

No definition available.

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Amount of available-for-sale equity securities at fair value that do not have a single maturity date and which the entity has decided to disclose separately rather than allocating the fair value over several maturity groupings.

+ References

No definition available.

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

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- Definition

Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 50

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- Definition

Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in equity securities classified as available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

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