LOAN SERVICING (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2015
Transfers and Servicing [Abstract]
Mortgage loan portfolios serviced for Fannie Mae	$ 3,162	$ 3,980	$ 5,055
Other	18,649	15,452	17,156
Total	$ 21,811	$ 19,432	$ 22,211

Represents the outstanding principal amount of mortgage loans serviced for all parties, including FNMA, at the end of the period.

No definition available.

Name:	cash_PrincipalBalanceOfMortgageLoansServiced
Namespace Prefix:	cash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant