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COMMITMENTS AND CONTINGENCIES (Details)		3 Months Ended
	Jan. 07, 2016 USD ($)	Dec. 31, 2014 USD ($)	Mar. 31, 2017 USD ($)	Oct. 14, 2016 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2015 company
Loss Contingencies [Line Items]
Number of federal district courts | company						3
Number of identified limited liability companies | company						3
Damages awarded	$ 6,100,000
Unfunded loan commitments			$ 236,300,000		$ 182,900,000
Inter National Bank [Member]
Loss Contingencies [Line Items]
Amount of shortfall in depository account		$ 10,500,000
Card Limited, LLC v. MetaBank dba Meta Payment Systems [Member]
Loss Contingencies [Line Items]
Estimate of possible loss				$ 1,579,398

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