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MORTGAGE BANKING ACTIVITIES (key unobservable inputs used in determining the fair value) (Details) - $ / LoanContracts | 3 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 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 | 22.68% | 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 | 13.09% | 13.08%
Cost of Servicing (per loan) | 90 | 90

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