Percentage, excluding accrued interest, of financing receivable modified during period for debtor experiencing financial difficulty to total financing receivables.

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Amortized cost of financing receivable with payment default in current period and modified within previous 12 months preceding payment default for debtor experiencing financial difficulty.

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ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Troubled Loans Disaggregated by Portfolio Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 54,734	$ 40,947	$ 82,679	$ 111,850
% of Total Loan Category	0.40%	0.32%	0.61%	0.86%
Total	$ 147	$ 301	$ 2,074	$ 5,736
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	47,886	37,522	72,787	98,002
Total	0	0	1,726	5,435
More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	4,802	136	6,729	3,566
Total	0		201
Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	2,046	3,289	3,115	10,282
Total	147	301	147	301
Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0		48
Commercial \| Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 19,368	$ 16,167	$ 20,217	$ 21,037
% of Total Loan Category	0.65%	0.62%	0.68%	0.80%
Total	$ 147	$ 301	$ 304	$ 301
Commercial \| Commercial and Industrial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	15,509	15,895	15,512	18,235
Total	0	0	157	0
Commercial \| Commercial and Industrial \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	3,859	0	3,899	2,500
Total	0		0
Commercial \| Commercial and Industrial \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	272	806	302
Total	147	301	147	301
Commercial \| Commercial and Industrial \| Combination- Term Extension 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	$ 6,243	$ 3,495	$ 8,009	$ 4,360
% of Total Loan Category	0.31%	0.18%	0.39%	0.23%
Total			$ 309
Commercial \| Owner-occupied commercial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 4,380	$ 484	6,146	$ 610
Total			309
Commercial \| Owner-occupied commercial \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	739
Total			0
Commercial \| Owner-occupied commercial \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	1,863	3,011	1,863	3,011
Total			0
Commercial \| Owner-occupied commercial \| Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0		0
Commercial \| Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 7,659	$ 19,158	$ 30,369	$ 56,980
% of Total Loan Category	0.20%	0.50%	0.78%	1.48%
Total			$ 1,260	$ 5,435
Commercial \| Commercial mortgages \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 7,659	$ 19,158	30,369	50,410
Total			1,260	5,435
Commercial \| Commercial mortgages \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Total			0
Commercial \| Commercial mortgages \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	6,570
Total			0	0
Commercial \| Commercial mortgages \| Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0		0
Commercial \| Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 20,338	$ 1,714	$ 20,970	$ 28,474
% of Total Loan Category	2.02%	0.17%	2.09%	2.84%
Commercial \| Construction \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 20,338	$ 1,714	$ 20,338	$ 28,474
Commercial \| Construction \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	632	0
Commercial \| Construction \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0	0	0	0
Commercial \| Construction \| Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0		0
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 707		$ 1,573
% of Total Loan Category	0.05%		0.12%
Residential \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0		$ 0
Residential \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	707		1,573
Residential \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0		0
Residential \| Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	0		0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 419	$ 413	$ 1,541	$ 999
% of Total Loan Category	0.02%	0.02%	0.09%	0.05%
Total			$ 201
Consumer \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0	$ 271	422	$ 273
Total			0
Consumer \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	236	136	625	327
Total			201
Consumer \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	183	$ 6	446	$ 399
Total			0
Consumer \| Combination- Term Extension and Interest Rate Reduction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total	$ 0		$ 48