FAIR VALUE (Quantitative Information) (Details) $ in Thousands	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Financial Assets:
RICs held-for-investment	$ 72,900	$ 102,000
LHFS	241,300	289,000
MSRs	90,231	132,683
Level 3 | Financing bonds
Financial Assets:
ABS	$ 50,664	$ 51,001
Level 3 | Financing bonds | Discount rate | Minimum
Financial Assets:
ABS, Unobservable Inputs (as a percent)	0.0037	0.0164
Level 3 | Financing bonds | Discount rate | Maximum
Financial Assets:
ABS, Unobservable Inputs (as a percent)	0.0037	0.0164
Level 3 | Financing bonds | Discount rate | Weighted Average
Financial Assets:
ABS, Unobservable Inputs (as a percent)	0.0037	0.0164
Level 3 | Sale-leaseback securities
Financial Assets:
ABS		$ 12,234
Level 3 | Sale-leaseback securities | Offered Quotes
Financial Assets:
ABS, Unobservable Inputs (as a percent)		1.0300
Level 3 | RICs HFI
Financial Assets:
RICs held-for-investment	$ 72,862	$ 84,334
Level 3 | RICs HFI | Discount rate | Minimum
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.095	0.0950
Level 3 | RICs HFI | Discount rate | Maximum
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.145	0.1450
Level 3 | RICs HFI | Discount rate | Weighted Average
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.1201	0.1316
Level 3 | RICs HFI | CPR
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.0666	0.0666
Level 3 | RICs HFI | Recovery Rate | Minimum
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.25	0.25
Level 3 | RICs HFI | Recovery Rate | Maximum
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.43	0.43
Level 3 | RICs HFI | Recovery Rate | Weighted Average
Financial Assets:
RICs HFI, Unobservable Inputs (as a percent)	0.4196	0.4112
Level 3 | Personal LHFS
Financial Assets:
LHFS	$ 808,405	$ 1,007,105
Level 3 | Personal LHFS | Discount rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.2000	0.1500
Level 3 | Personal LHFS | Discount rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.3000	0.2500
Level 3 | Personal LHFS | Market participant view | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.6500	0.7000
Level 3 | Personal LHFS | Market participant view | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.7000	0.8000
Level 3 | Personal LHFS | Default rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.4500	0.3000
Level 3 | Personal LHFS | Default rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.5500	0.4000
Level 3 | Personal LHFS | Net principal & interest payment rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.5000	0.7000
Level 3 | Personal LHFS | Net principal & interest payment rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.6000	0.8500
Level 3 | Personal LHFS | Loss severity rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.9000	0.9000
Level 3 | Personal LHFS | Loss severity rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.9500	0.9500
Level 3 | RICs HFS
Financial Assets:
LHFS	$ 1,637,194
Level 3 | RICs HFS | Discount rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.0150
Level 3 | RICs HFS | Discount rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.0250
Level 3 | RICs HFS | Discount rate | Weighted Average
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.0200
Level 3 | RICs HFS | Default rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.0100
Level 3 | RICs HFS | Default rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.0200
Level 3 | RICs HFS | Default rate | Weighted Average
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.0180
Level 3 | RICs HFS | Loss severity rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.5000
Level 3 | RICs HFS | Loss severity rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.6000
Level 3 | RICs HFS | Loss severity rate | Weighted Average
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.5500
Level 3 | RICs HFS | Prepayment rate | Minimum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.1000
Level 3 | RICs HFS | Prepayment rate | Maximum
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.2000
Level 3 | RICs HFS | Prepayment rate | Weighted Average
Financial Assets:
LHFS, Unobservable Inputs (as a percent)	0.1500
Level 3 | MSRs
Financial Assets:
MSRs	$ 88,674	$ 130,855
Level 3 | MSRs | Discount rate
Financial Assets:
MSRs, Unobservable Inputs (as a percent)	0.0943	0.0963
Level 3 | MSRs | CPR | Minimum
Financial Assets:
MSRs, Unobservable Inputs (as a percent)	0.0000	0.0783
Level 3 | MSRs | CPR | Maximum
Financial Assets:
MSRs, Unobservable Inputs (as a percent)	0.2871	1.0000
Level 3 | MSRs | CPR | Weighted Average
Financial Assets:
MSRs, Unobservable Inputs (as a percent)	0.1696	0.1197