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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Total Loans (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 3,011,672	$ 2,999,049
Allowance for credit losses	28,355	28,142	$ 26,607	$ 25,860
Net loans	2,983,317	2,970,907
Accrued interest receivable for loans	13,200	11,900
Tax exempt
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	39,261	43,688
Allowance for credit losses	113	119	93	93
Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	86,879	87,683
Allowance for credit losses	752	767	792	811
Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans		7,832
Total commercial loans | Construction and land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	158,270	154,048
Allowance for credit losses	3,697	4,261	3,034	2,579
Total commercial real estate | Commercial real estate owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	323,581	310,015
Allowance for credit losses	3,081	2,863	2,348	2,189
Total commercial real estate | Commercial real estate non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,155,297	1,144,566
Allowance for credit losses	9,155	9,443	9,344	9,341
Total commercial and industrial | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	306,844	310,883
Allowance for credit losses	3,834	3,259	3,615	3,493
Total residential real estate | Residential mortgages
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	933,911	940,334
Allowance for credit losses	7,651	7,352	7,305	7,274
Total consumer | Other consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	7,629	7,832
Allowance for credit losses	$ 72	$ 78	$ 76	$ 80

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-Topic 326
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-Name Accounting Standards Codification
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