Condensed Consolidated Statements of Operations (Unaudited) (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2014	Mar. 31, 2014
Non-interest income:
Net gain (loss) on available for sale securities reclassified from accumulated other comprehensive income	$ 98	$ 97
Income tax expense reclassified from accumulated other comprehensive income	$ 36	$ 35

Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon available-for-sale securities.

No definition available.

Name:	cash_NetGainLossOnAvailableForSaleSecuritiesReclassifiedFromAccumulatedOtherComprehensiveIncome
Namespace Prefix:	cash_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration