LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Total Loans (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	$ 3,605,859	$ 3,147,096
Allowance for credit losses	34,052	28,744	$ 28,142	$ 25,860
Net loans	3,571,807	3,118,352
Accrued interest receivable for loans	11,500	10,500
Tax exempt and other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans		44,275
Municipal and other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	43,106	44,275
Allowance for credit losses	119	128	119	93
Home equity
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	114,484	94,141
Allowance for credit losses	814	741	767	811
Total commercial loans | Commercial construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	213,779	131,617
Allowance for credit losses	4,371	2,096	4,261	2,579
Total commercial real estate | Commercial real estate owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	385,843	302,074
Allowance for credit losses	4,045	2,794	2,863	2,189
Total commercial real estate | Commercial real estate non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	1,450,597	1,358,903
Allowance for credit losses	12,837	11,104	9,443	9,341
Total commercial and industrial | Commercial real estate non-owner occupied
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	1,450,597
Total commercial and industrial | Commercial and industrial
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	315,370	319,766
Allowance for credit losses	5,378	5,064	3,259	3,493
Total residential real estate | Residential real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	1,068,413	888,251
Allowance for credit losses	6,350	6,732	7,352	7,274
Total consumer | Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Total loans	14,267	8,069
Allowance for credit losses	$ 138	$ 85	$ 78	$ 80