ALLOWANCE FOR CREDIT LOSSES AND CREDIT QUALITY INFORMATION - Schedule of Amortized Cost of Loans Received Term Extension Modification (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]
Loans modified with subsequent default	$ 147	$ 301	$ 2,074	$ 5,736
Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	0	0	1,726	5,435
More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	0		201
Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	147	301	147	301
Commercial \| Commercial and Industrial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	147	301	304	301
Commercial \| Commercial and Industrial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	0	0	157	0
Commercial \| Commercial and Industrial \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	0		0
Commercial \| Commercial and Industrial \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default	$ 147	$ 301	147	301
Commercial \| Owner-occupied commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			309
Commercial \| Owner-occupied commercial \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			309
Commercial \| Owner-occupied commercial \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			0
Commercial \| Owner-occupied commercial \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			0
Commercial \| Commercial mortgages
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			1,260	5,435
Commercial \| Commercial mortgages \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			1,260	5,435
Commercial \| Commercial mortgages \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			0
Commercial \| Commercial mortgages \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			0	$ 0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			201
Consumer \| Term Extension
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			0
Consumer \| More-Than-Insignificant Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			201
Consumer \| Combination- Term Extension and Payment Delay
Financing Receivable, Troubled Debt Restructuring [Line Items]
Loans modified with subsequent default			$ 0