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FAIR VALUE - Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis (Details) - Retained Interest [Member] - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance $ 0 $ 653,000
Gain (loss) Included in Earnings 315,000 1,103,000
Collections (315,000) (1,756,000)
Ending Balance $ 0 $ 0