ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Types of TDR (Details) - loan	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	221	32
Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	5	0
Commercial | Owner-occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Commercial | Commercial mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	3	2
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	210	30
Contractual payment reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	153	0
Contractual payment reduction | Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Contractual payment reduction | Commercial | Owner-occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Contractual payment reduction | Commercial | Commercial mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Contractual payment reduction | Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Contractual payment reduction | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Contractual payment reduction | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	151	0
Maturity date extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	53	1
Maturity date extension | Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	2	0
Maturity date extension | Commercial | Owner-occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Maturity date extension | Commercial | Commercial mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Maturity date extension | Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Maturity date extension | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Maturity date extension | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	48	1
Discharged in bankruptcy
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	9	25
Discharged in bankruptcy | Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Discharged in bankruptcy | Commercial | Owner-occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Discharged in bankruptcy | Commercial | Commercial mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Discharged in bankruptcy | Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Discharged in bankruptcy | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	2
Discharged in bankruptcy | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	8	23
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	6	6
Other | Commercial | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	2	0
Other | Commercial | Owner-occupied commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Other | Commercial | Commercial mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Other | Commercial | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	0	0
Other | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	1	0
Other | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan modification total	3	6