ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Troubled Loans Disaggregated by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 37,903	$ 18,061
% of Total Loan Category	0.29%	0.15%
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 34,100	$ 15,697
More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,051	162
Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	2,752	1,777
Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	306
Combination - Payment Delay and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	119
Commercial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 33,034	$ 12,837
% of Total Loan Category	1.27%	0.41%
Commercial | Commercial and industrial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 31,865	$ 12,837
Commercial | Commercial and industrial | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	349	0
Commercial | Commercial and industrial | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	820	0
Commercial | Commercial and industrial | Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial | Commercial and industrial | Combination - Payment Delay and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial | Owner-occupied commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 148
% of Total Loan Category		0.01%
Commercial | Owner-occupied commercial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 0
Commercial | Owner-occupied commercial | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Owner-occupied commercial | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Owner-occupied commercial | Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		148
Commercial | Owner-occupied commercial | Combination - Payment Delay and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 2,057
% of Total Loan Category		0.06%
Commercial | Commercial mortgages | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		$ 2,057
Commercial | Commercial mortgages | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Commercial mortgages | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Commercial mortgages | Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Commercial mortgages | Combination - Payment Delay and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total		0
Commercial | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 1,910
% of Total Loan Category	0.18%
Commercial | Construction | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 1,910
Commercial | Construction | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Construction | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Construction | Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Construction | Combination - Payment Delay and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 2,959	$ 3,019
% of Total Loan Category	0.14%	0.16%
Consumer | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 325	$ 803
Consumer | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	702	162
Consumer | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,932	1,777
Consumer | Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	158
Consumer | Combination - Payment Delay and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 119