LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loan Portfolio (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	$ 2,367,151		$ 2,269,561
Allowance for credit losses	(25,232)	$ (24,890)	(24,209)	$ (22,665)	$ (22,522)	$ (21,388)
Loans, net	2,341,919		2,245,352
Commercial real estate:
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	1,517,386		1,409,727
Allowance for credit losses	(16,198)	(15,643)	(14,363)	(12,714)	(12,089)	(11,214)
Commercial real estate: | Construction
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	131,885		120,418
Commercial real estate: | Owner occupied commercial real estate
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	183,705		178,620
Commercial real estate: | Non-owner occupied commercial real estate
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	1,201,796		1,110,689
Residential Mortgages
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	286,875		286,885
Allowance for credit losses	(2,401)	(2,397)	(2,788)	(2,597)	(2,473)	(2,259)
Consumer Loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	234,525		248,764
Allowance for credit losses	(2,420)	$ (2,511)	(2,534)	$ (2,830)	$ (2,807)	$ (3,395)
Consumer Loans | Home equity lines and loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	115,628		109,723
Consumer Loans | Indirect consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	112,767		132,699
Consumer Loans | Direct consumer loans
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	6,130		6,342
Commercial and industrial
Composition of loan portfolio [Abstract]
Total loans, net of deferred loan fees and costs	$ 328,365		$ 324,185