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CAPITAL REQUIREMENTS AND RESTRICTIONS ON RETAINED EARNINGS - Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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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

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