LOANS AND ALLOWANCE FOR CREDIT LOSSES - Receivables Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 2,311,705	$ 2,269,561
30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	6,849	5,281
60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	434	1,446
90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,326	4,441
Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	9,609	11,168
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,302,096	2,258,393
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Financing receivable	323,274	324,185
Commercial and industrial | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,945	817
Commercial and industrial | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	24	55
Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	8	36
Commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,977	908
Commercial and industrial | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	321,297	323,277
Commercial real estate:
Financing Receivable, Past Due [Line Items]
Financing receivable	1,463,267	1,409,727
Commercial real estate: | Construction
Financing Receivable, Past Due [Line Items]
Financing receivable	123,261	120,418
Commercial real estate: | Construction | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	0
Commercial real estate: | Construction | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	0
Commercial real estate: | Construction | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	0
Commercial real estate: | Construction | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	0
Commercial real estate: | Construction | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	123,261	120,418
Commercial real estate: | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable	177,648	178,620
Commercial real estate: | Owner occupied commercial real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	103	105
Commercial real estate: | Owner occupied commercial real estate | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	0
Commercial real estate: | Owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	97	96
Commercial real estate: | Owner occupied commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	200	201
Commercial real estate: | Owner occupied commercial real estate | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	177,448	178,419
Commercial real estate: | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable	1,162,358	1,110,689
Commercial real estate: | Non-owner occupied commercial real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	378	0
Commercial real estate: | Non-owner occupied commercial real estate | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	0
Commercial real estate: | Non-owner occupied commercial real estate | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	525	2,538
Commercial real estate: | Non-owner occupied commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	903	2,538
Commercial real estate: | Non-owner occupied commercial real estate | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,161,455	1,108,151
Residential Mortgages
Financing Receivable, Past Due [Line Items]
Financing receivable	285,990	286,885
Residential Mortgages | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,923	1,277
Residential Mortgages | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	38	693
Residential Mortgages | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	644	901
Residential Mortgages | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,605	2,871
Residential Mortgages | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	283,385	284,014
Consumer Loans
Financing Receivable, Past Due [Line Items]
Financing receivable	239,174	248,764
Consumer Loans | Home equity lines and loans
Financing Receivable, Past Due [Line Items]
Financing receivable	111,364	109,723
Consumer Loans | Home equity lines and loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	823	747
Consumer Loans | Home equity lines and loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	30	26
Consumer Loans | Home equity lines and loans | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	322	249
Consumer Loans | Home equity lines and loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,175	1,022
Consumer Loans | Home equity lines and loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	110,189	108,701
Consumer Loans | Indirect consumer loans
Financing Receivable, Past Due [Line Items]
Financing receivable	121,793	132,699
Consumer Loans | Indirect consumer loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,676	2,312
Consumer Loans | Indirect consumer loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	339	656
Consumer Loans | Indirect consumer loans | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	721	616
Consumer Loans | Indirect consumer loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,736	3,584
Consumer Loans | Indirect consumer loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	119,057	129,115
Consumer Loans | Direct consumer loans
Financing Receivable, Past Due [Line Items]
Financing receivable	6,017	6,342
Consumer Loans | Direct consumer loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1	23
Consumer Loans | Direct consumer loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	3	16
Consumer Loans | Direct consumer loans | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	9	5
Consumer Loans | Direct consumer loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	13	44
Consumer Loans | Direct consumer loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 6,004	$ 6,298