CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Consolidated
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk weighted assets), actual amount	$ 917,769	$ 870,390
Total capital (to risk weighted assets), actual ratio	0.1590	0.1547
Tier I capital (to risk weighted assets), actual amount	$ 845,352	$ 799,929
Tier I capital (to risk weighted assets), actual ratio	0.1464	0.1421
Common equity tier 1 (CET1), actual amount	$ 845,352	$ 799,929
Common equity tier 1 (CET1), actual ratio	14.64%	14.21%
Tier I capital (to average assets), actual amount	$ 845,352	$ 799,929
Tier I capital (to average assets), actual ratio	0.1215	0.1182
Total capital (to risk weighted assets), minimum required for capital adequacy purposes amount	$ 461,847	$ 450,211
Total capital (to risk weighted assets), minimum required for capital adequacy purposes ratio	0.0800	0.0800
Tier I capital (to risk weighted assets), minimum required for capital adequacy purposes amount	$ 346,385	$ 337,658
Tier I capital (to risk weighted assets), minimum required for capital adequacy purposes ratio	0.0600	0.0600
Common equity tier 1 (CET1), minimum required for capital adequacy purposes amount	$ 259,789	$ 253,243
Common equity tier 1 (CET1), minimum required for capital adequacy purposes ratio	4.50%	4.50%
Tier I capital (to average assets), minimum required for capital adequacy purposes amount	$ 278,369	$ 270,636
Tier I capital (to average assets), minimum required for capital adequacy purposes ratio	0.0400	0.0400
Excess capital, for capital adequacy purposes plus capital conservation buffer amount	$ 606,175	$ 590,901
Tier I capital (to risk weighted assets), for capital adequacy purposes plus capital conservation buffer amount	490,713	478,349
Common equity tier 1 (CET1), for capital adequacy purposes plus capital conservation buffer amount	404,116	393,934
Tier I capital (to average assets), for capital adequacy purposes plus capital conservation buffer amount	278,369	270,636
Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total capital (to risk weighted assets), actual amount	$ 909,232	$ 852,405
Total capital (to risk weighted assets), actual ratio	0.1576	0.1516
Tier I capital (to risk weighted assets), actual amount	$ 836,845	$ 781,999
Tier I capital (to risk weighted assets), actual ratio	0.1450	0.1391
Common equity tier 1 (CET1), actual amount	$ 836,845	$ 781,999
Common equity tier 1 (CET1), actual ratio	14.50%	13.91%
Tier I capital (to average assets), actual amount	$ 836,845	$ 781,999
Tier I capital (to average assets), actual ratio	0.1203	0.1158
Total capital (to risk weighted assets), minimum required for capital adequacy purposes amount	$ 461,612	$ 449,894
Total capital (to risk weighted assets), minimum required for capital adequacy purposes ratio	0.0800	0.0800
Tier I capital (to risk weighted assets), minimum required for capital adequacy purposes amount	$ 346,209	$ 337,420
Tier I capital (to risk weighted assets), minimum required for capital adequacy purposes ratio	0.0600	0.0600
Common equity tier 1 (CET1), minimum required for capital adequacy purposes amount	$ 259,657	$ 253,065
Common equity tier 1 (CET1), minimum required for capital adequacy purposes ratio	4.50%	4.50%
Tier I capital (to average assets), minimum required for capital adequacy purposes amount	$ 278,240	$ 270,041
Tier I capital (to average assets), minimum required for capital adequacy purposes ratio	0.0400	0.0400
Excess capital, for capital adequacy purposes plus capital conservation buffer amount	$ 605,866	$ 590,486
Excess capital to risk weighted assets, for capital adequacy purposes plus capital conservation buffer ratio	0.1050	0.1050
Tier I capital (to risk weighted assets), for capital adequacy purposes plus capital conservation buffer amount	$ 490,463	$ 478,012
Tier I capital (to risk weighted assets), for capital adequacy purposes plus capital conservation buffer ratio	0.0850	0.0850
Common equity tier 1 (CET1), for capital adequacy purposes plus capital conservation buffer amount	$ 403,911	$ 393,657
Common equity tier 1 (CET1), for capital adequacy purposes plus capital conservation buffer ratio	7.00%	7.00%
Tier I capital (to average assets), for capital adequacy purposes plus capital conservation buffer amount	$ 278,240	$ 270,041
Tier I capital (to average assets), for capital adequacy purposes plus capital conservation buffer ratio	0.0400	0.0400
Total capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount	$ 577,015	$ 562,367
Total capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations ratio	0.1000	0.1000
Tier I capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations amount	$ 461,612	$ 449,894
Tier I capital (to risk weighted assets), minimum required to be well capitalized under prompt corrective action regulations ratio	0.0800	0.0800
Common equity tier 1 (CET1), minimum required to be well capitalized under prompt corrective action regulations amount	$ 375,060	$ 365,539
Common equity tier 1 (CET1), minimum required to be well capitalized under prompt corrective action regulations ratio	6.50%	6.50%
Tier I capital (to average assets), minimum required to be well capitalized under prompt corrective action regulations amount	$ 347,800	$ 337,551
Tier I capital (to average assets), minimum required to be well capitalized under prompt corrective action regulations ratio	0.0500	0.0500