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COMMITMENTS AND CONTINGENCIES (Details)
$ in Millions
1 Months Ended
Jun. 15, 2017
USD ($)
Feb. 13, 2015
lawsuit
Sep. 30, 2017
USD ($)
Unfunded Loan Commitment | Consumer Portfolio Segment | Consumer Loan Companies      
Loss Contingencies [Line Items]      
Financing receivable     $ 141.0
Securities Action      
Loss Contingencies [Line Items]      
Number of claims | lawsuit   3  
Amount awarded to other party $ 6.0