INVESTMENTS IN CONSUMER LOANS - Credit Quality Indicator (Details) - Consumer Portfolio Segment - Performing Loans	Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]
Delinquency Status	100.00%
Current
Debt Securities, Available-for-sale [Line Items]
Delinquency Status	95.30%
30-59
Debt Securities, Available-for-sale [Line Items]
Delinquency Status	1.80%
60-89
Debt Securities, Available-for-sale [Line Items]
Delinquency Status	1.20%
90-119
Debt Securities, Available-for-sale [Line Items]
Delinquency Status	0.70%
120
Debt Securities, Available-for-sale [Line Items]
Delinquency Status	1.00%