Quarterly report pursuant to Section 13 or 15(d)

MORTGAGE BANKING ACTIVITIES (key unobservable inputs used in determining the fair value) (Details)

v3.21.2
MORTGAGE BANKING ACTIVITIES (key unobservable inputs used in determining the fair value) (Details) - $ / LoanContracts
3 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Maximum [Member]    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]    
Discount Rates 15.00% 15.00%
Annual prepayment speeds 23.82% 23.64%
Cost of Servicing (per loan) 110 110
Minimum [Member]    
Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value [Abstract]    
Discount Rates 11.00% 11.00%
Annual prepayment speeds 13.53% 13.08%
Cost of Servicing (per loan) 90 90