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SECURITIES AVAILABLE FOR SALE - Basis for Impairment Conclusion (Details) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 USD ($) security | Dec. 31, 2022 USD ($)
Accounting Standards Update 2016-13 |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Allowance on AFS debt securities | $ | $ 0 | $ 0
Obligations of US Government-sponsored enterprises |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, securities in unrealized loss positions (security) | 7 |
Available for sale securities portfolio, number of securities (security) | 8 |
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage) | 4.09% |
US Government-sponsored enterprises |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, securities in unrealized loss positions (security) | 492 |
Available for sale securities portfolio, number of securities (security) | 499 |
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage) | 17.81% |
US Government agency |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, securities in unrealized loss positions (security) | 147 |
Available for sale securities portfolio, number of securities (security) | 150 |
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage) | 16.49% |
Private label |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, securities in unrealized loss positions (security) | 26 |
Available for sale securities portfolio, number of securities (security) | 28 |
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage) | 3.94% |
Obligations of states and political subdivisions thereof |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, securities in unrealized loss positions (security) | 66 |
Available for sale securities portfolio, number of securities (security) | 70 |
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage) | 24.29% |
Corporate bonds |  |
Debt Securities, Available-for-Sale [Line Items] |  |
Available-for-sale, securities in unrealized loss positions (security) | 30 |
Available for sale securities portfolio, number of securities (security) | 33 |
Available for sale and held to maturity securities, continuous unrealized loss position, aggregate losses (percentage) | 10.82% |

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