LOANS AND LEASES - Financial Difficulty Modifications, Payment Status (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Financing Receivable, Past Due [Line Items]
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 1,000	$ 1,000
Financial Receivables, Financial Difficulty Modifications	28,669	24,953
Financial Receivables, Financial Difficulty Modifications	28,669	24,953
Financial Asset, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	24,174	23,503
Financial Receivables, Financial Difficulty Modifications	24,174	23,503
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	787	700
Financial Receivables, Financial Difficulty Modifications	787	700
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	234
Financial Receivables, Financial Difficulty Modifications	0	234
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	3,708	516
Financial Receivables, Financial Difficulty Modifications	3,708	516
Residential Portfolio Segment [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	4,877	2,441
Financial Receivables, Financial Difficulty Modifications	4,877	2,441
Residential Portfolio Segment [Member] \| Financial Asset, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	3,476	1,547
Financial Receivables, Financial Difficulty Modifications	3,476	1,547
Residential Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	631	700
Financial Receivables, Financial Difficulty Modifications	631	700
Residential Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	137
Financial Receivables, Financial Difficulty Modifications	0	137
Residential Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	770	57
Financial Receivables, Financial Difficulty Modifications	770	57
Home equity
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	1,675	521
Financial Receivables, Financial Difficulty Modifications	1,675	521
Home equity \| Financial Asset, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	1,487	332
Financial Receivables, Financial Difficulty Modifications	1,487	332
Home equity \| Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	156	0
Financial Receivables, Financial Difficulty Modifications	156	0
Home equity \| Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	97
Financial Receivables, Financial Difficulty Modifications	0	97
Home equity \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	32	92
Financial Receivables, Financial Difficulty Modifications	32	92
Commercial
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	12,085	9,217
Financial Receivables, Financial Difficulty Modifications	12,085	9,217
Commercial \| Financial Asset, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	9,443	8,850
Financial Receivables, Financial Difficulty Modifications	9,443	8,850
Commercial \| Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	0
Financial Receivables, Financial Difficulty Modifications	0	0
Commercial \| Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	0
Financial Receivables, Financial Difficulty Modifications	0	0
Commercial \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	2,642	367
Financial Receivables, Financial Difficulty Modifications	2,642	367
Construction real estate
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications		10,500
Financial Receivables, Financial Difficulty Modifications		10,500
Construction real estate \| Financial Asset, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications		10,500
Financial Receivables, Financial Difficulty Modifications		10,500
Construction real estate \| Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications		0
Financial Receivables, Financial Difficulty Modifications		0
Construction real estate \| Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications		0
Financial Receivables, Financial Difficulty Modifications		0
Construction real estate \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications		0
Financial Receivables, Financial Difficulty Modifications		0
Commercial real estate - investor
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	10,032	2,274
Financial Receivables, Financial Difficulty Modifications	10,032	2,274
Commercial real estate - investor \| Financial Asset, 1 to 29 Days Past Due
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	9,768	2,274
Financial Receivables, Financial Difficulty Modifications	9,768	2,274
Commercial real estate - investor \| Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	0
Financial Receivables, Financial Difficulty Modifications	0	0
Commercial real estate - investor \| Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	0	0
Financial Receivables, Financial Difficulty Modifications	0	0
Commercial real estate - investor \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Financial Receivables, Financial Difficulty Modifications	264	0
Financial Receivables, Financial Difficulty Modifications	$ 264	$ 0