LOANS AND ALLOWANCE FOR CREDIT LOSSES - Receivables Past Due (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 2,367,151	$ 2,269,561
30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	6,155	5,281
60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,670	1,446
90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,099	4,441
Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	10,924	11,168
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,356,227	2,258,393
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Financing receivable	328,365	324,185
Commercial and industrial | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	0	817
Commercial and industrial | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	175	55
Commercial and industrial | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	86	36
Commercial and industrial | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	261	908
Commercial and industrial | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	328,104	323,277
Commercial real estate:
Financing Receivable, Past Due [Line Items]
Financing receivable	1,517,386	1,409,727
Commercial real estate: | Construction
Financing Receivable, Past Due [Line Items]
Financing receivable	131,885	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	131,885	120,418
Commercial real estate: | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable	183,705	178,620
Commercial real estate: | Owner occupied commercial real estate | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	756	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	0	96
Commercial real estate: | Owner occupied commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	756	201
Commercial real estate: | Owner occupied commercial real estate | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	182,949	178,419
Commercial real estate: | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Financing receivable	1,201,796	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	377	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	520	2,538
Commercial real estate: | Non-owner occupied commercial real estate | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	897	2,538
Commercial real estate: | Non-owner occupied commercial real estate | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,200,899	1,108,151
Residential Mortgages
Financing Receivable, Past Due [Line Items]
Financing receivable	286,875	286,885
Residential Mortgages | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	3,218	1,277
Residential Mortgages | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,414	693
Residential Mortgages | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	836	901
Residential Mortgages | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	5,468	2,871
Residential Mortgages | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	281,407	284,014
Consumer Loans
Financing Receivable, Past Due [Line Items]
Financing receivable	234,525	248,764
Consumer Loans | Home equity lines and loans
Financing Receivable, Past Due [Line Items]
Financing receivable	115,628	109,723
Consumer Loans | Home equity lines and loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	229	747
Consumer Loans | Home equity lines and loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	711	26
Consumer Loans | Home equity lines and loans | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	330	249
Consumer Loans | Home equity lines and loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,270	1,022
Consumer Loans | Home equity lines and loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	114,358	108,701
Consumer Loans | Indirect consumer loans
Financing Receivable, Past Due [Line Items]
Financing receivable	112,767	132,699
Consumer Loans | Indirect consumer loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	1,544	2,312
Consumer Loans | Indirect consumer loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	352	656
Consumer Loans | Indirect consumer loans | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	324	616
Consumer Loans | Indirect consumer loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	2,220	3,584
Consumer Loans | Indirect consumer loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	110,547	129,115
Consumer Loans | Direct consumer loans
Financing Receivable, Past Due [Line Items]
Financing receivable	6,130	6,342
Consumer Loans | Direct consumer loans | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	31	23
Consumer Loans | Direct consumer loans | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	18	16
Consumer Loans | Direct consumer loans | 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	3	5
Consumer Loans | Direct consumer loans | Total Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	52	44
Consumer Loans | Direct consumer loans | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Financing receivable	$ 6,078	$ 6,298