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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]  
Schedule of Financing Receivable Portfolio Segments
The Company has identified the following portfolio segments to measure the allowance for credit losses. For all segments the economic forecast length is one year and reversion method is one year.

Loan SegmentHistorical Lifetime Loss MethodHistorical
Lookback
Period		Economic
Forecast
Length		Reversion Method
ConstructionProbability of Default/Loss Given Default ("PD/LGD")2008-PresentOne YearOne Year (straight-line basis)
Commercial real estatePD/LGD2008-Present
Multi-family mortgagePD/LGD2008-Present
Commercial, financial and agriculturalPD/LGD2008-Present
Home equity lines of creditLoss-Rate Migration2008-Present
Residential mortgageLoss-Rate Migration2008-Present
Consumer - other revolvingLoss-Rate Migration2008-Present
Consumer - non-revolvingLoss-Rate Migration2008-Present
Purchased Mainland portfolios (Dealer, Other consumer)Weighted-Average Remaining Maturity ("WARM")2008-Present