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INVESTMENT SECURITIES - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Available-for-sale Securities | $ 558,900,000 |  |  |  | $ 434,600,000 |  |  |  | $ 558,900,000 | $ 434,600,000 |
Held to maturity security carrying value | 101,635,000 |  |  |  | 107,755,000 |  |  |  | 101,635,000 | 107,755,000 |
Investment with fair value classified as equity security | 13,041,000 |  |  |  | 13,166,000 |  |  |  | 13,041,000 | 13,166,000 |
Fair value adjustment for equity securities | 549,000 | $ 474,000 | $ (84,000) | $ (111,000) | 585,000 | $ (404,000) | $ (209,000) | $ 209,000 | 828,000 | 181,000 | $ (1,700,000)
Equity Securities, FV-NI, Unrealized Gain (Loss) |  |  |  |  |  |  |  |  | 828,000 | 181,000 | (1,700,000)
Visa B Shares [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Fair value adjustment for equity securities |  |  |  |  |  |  |  |  | 953,000 |  |
Collateral Pledged [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Held to maturity security carrying value | 99,600,000 |  |  |  | 107,800,000 |  |  |  | 99,600,000 | 107,800,000 |
CRA Investment Fund [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule Of Available For Sale Securities [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment with fair value classified as equity security | $ 13,000,000.0 |  |  |  | $ 13,200,000 |  |  |  | 13,000,000.0 | 13,200,000 |
Fair value adjustment for equity securities |  |  |  |  |  |  |  |  | $ (125,000) | $ 181,000 | $ (1,700,000)

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