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, 2025	Mar. 31, 2024
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 80,449	$ 37,903
% of Total Loan Category	0.61%	0.29%
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 71,123	$ 34,100
More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,685	1,051
Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	7,641	2,752
Commercial | Commercial and industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 789	$ 33,034
% of Total Loan Category	0.03%	1.27%
Commercial | Commercial and industrial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 718	$ 31,865
Commercial | Commercial and industrial | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	71	349
Commercial | Commercial and industrial | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	820
Commercial | Owner-occupied commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 7,826
% of Total Loan Category	0.40%
Commercial | Owner-occupied commercial | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 6,915
Commercial | Owner-occupied commercial | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	911
Commercial | Owner-occupied commercial | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0
Commercial | Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 49,353
% of Total Loan Category	1.24%
Commercial | Commercial mortgages | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 42,784
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	6,569
Commercial | Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 20,559	$ 1,910
% of Total Loan Category	2.37%	0.18%
Commercial | Construction | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 20,559	$ 1,910
Commercial | Construction | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Commercial | Construction | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 1,922	$ 2,959
% of Total Loan Category	0.09%	0.14%
Consumer | Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 147	$ 325
Consumer | More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	703	702
Consumer | Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 1,072	$ 1,932