LOANS AND ALLOWANCE FOR CREDIT LOSSES - Past Due Status of Modifications under ASU 2022-02 (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	$ 2,202,356	$ 2,071,419
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	309,221	299,521
30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	5,351	5,047
60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	1,583	1,588
Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	4,195	5,256
Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	2,191,227	2,059,528
Total Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	11,129	11,891
Commercial and Industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	309,221	299,521
Commercial Mortgages
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	1,362,040	1,217,004
Commercial Mortgages | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	169,914	142,279
Commercial Mortgages | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	1,082,519	979,782
Commercial Mortgages | 30 - 59 Days Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0	82
Commercial Mortgages | 30 - 59 Days Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	376	950
Commercial Mortgages | 60 - 89 Days Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0	0
Commercial Mortgages | 60 - 89 Days Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	25	0
Commercial Mortgages | Greater Than 89 Days Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	97	96
Commercial Mortgages | Greater Than 89 Days Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	2,301	3,162
Commercial Mortgages | Loans Not Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	169,817	142,101
Commercial Mortgages | Loans Not Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	1,079,817	975,670
Commercial Mortgages | Total Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	97	178
Commercial Mortgages | Total Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	2,702	4,112
Residential Mortgages
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	277,729	274,979
Residential Mortgages | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	1,532	1,529
Residential Mortgages | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	786	662
Residential Mortgages | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	997	696
Residential Mortgages | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	274,414	272,092
Residential Mortgages | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	3,315	$ 2,887
Restructured Debt | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0		$ 0
Restructured Debt | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0		0
Restructured Debt | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0		440
Restructured Debt | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	4,135		121
Restructured Debt | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	4,135		561
Restructured Debt | Commercial and Industrial | 30 - 59 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0		0
Restructured Debt | Commercial and Industrial | 60 - 89 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0		0
Restructured Debt | Commercial and Industrial | Greater Than 89 Days Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0		0
Restructured Debt | Commercial and Industrial | Loans Not Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	334		121
Restructured Debt | Commercial and Industrial | Total Past Due | Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	334		121
Restructured Debt | Commercial Mortgages | 30 - 59 Days Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0
Restructured Debt | Commercial Mortgages | 30 - 59 Days Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0
Restructured Debt | Commercial Mortgages | 60 - 89 Days Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0
Restructured Debt | Commercial Mortgages | 60 - 89 Days Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0
Restructured Debt | Commercial Mortgages | Greater Than 89 Days Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0
Restructured Debt | Commercial Mortgages | Greater Than 89 Days Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	0
Restructured Debt | Commercial Mortgages | Loans Not Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	370
Restructured Debt | Commercial Mortgages | Loans Not Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	3,431
Restructured Debt | Commercial Mortgages | Total Past Due | Owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	370
Restructured Debt | Commercial Mortgages | Total Past Due | Non-owner occupied commercial real estate
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees	$ 3,431
Restructured Debt | Residential Mortgages | 30 - 59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees			0
Restructured Debt | Residential Mortgages | 60 - 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees			0
Restructured Debt | Residential Mortgages | Greater Than 89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees			440
Restructured Debt | Residential Mortgages | Loans Not Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees			0
Restructured Debt | Residential Mortgages | Total Past Due
Financing Receivable, Past Due [Line Items]
Loans, net of deferred loan fees			$ 440