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LOANS AND CREDIT QUALITY - Loan Modifications, by Payment Status (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	$ 22,049
30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	1,831
90+ Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	198
Commercial Borrower | Consumer Loan | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	2,021
Commercial Borrower | Consumer Loan | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	0
Commercial Borrower | Consumer Loan | 90+ Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	0
Single Family | Consumer Loan | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	19,908
Single Family | Consumer Loan | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	1,831
Single Family | Consumer Loan | 90+ Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	198
Home equity and other | Consumer Loan | Financial Asset, Not Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	120
Home equity and other | Consumer Loan | 30-89 Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	0
Home equity and other | Consumer Loan | 90+ Days Past Due
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified	$ 0

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