Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Narratives) (Details)

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FAIR VALUE MEASUREMENTS (Narratives) (Details) - USD ($)
7 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2021
Dec. 31, 2020
Fair Value measurements [Abstract]      
Level 3 issuances $ 34,000,000.0 $ 26,200,000  
Level 3 transfers $ 40,300,000 38,600,000  
Collateral-dependent loans   2,600,000 $ 7,100,000
Valuation allowance   100,000 $ 100,000
valuation allowance for loan servicing rights   $ 0