Annual report pursuant to Section 13 and 15(d)

INVESTMENTS IN EXCESS MORTGAGE SERVICING RIGHTS - Narrative (Details)

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INVESTMENTS IN EXCESS MORTGAGE SERVICING RIGHTS - Narrative (Details) - MSRs
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Investment [Line Items]    
Discount rate 7.80% 8.70%
Excess MSRs Investees    
Investment [Line Items]    
Discount rate 7.80% 8.80%