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MARKETABLE SECURITIES - Narrative (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 USD ($) Position | Sep. 30, 2022 USD ($) | Jun. 30, 2022 USD ($) | Sep. 30, 2021 USD ($) | Sep. 30, 2023 USD ($) Position Security | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |  |  |  |  |
Allowance for credit losses for available for sale debt securities | $ 0 |  |  |  | $ 0 |  | $ 0
Number of investment in an unrealized loss position | Position | 292 |  |  |  | 292 |  |
Number of investment in an sale debt securities | Position | 77 |  |  |  | 77 |  |
Percentage of unrealized loss exceeds book value |  |  |  |  | 20.00% |  |
Number of securities other than agencies amount | Security |  |  |  |  | 0 |  |
Available for sale securities transferred to held to maturity, net of unrealized gain |  |  |  | $ 10,235,000 |  |  |
Available for sale securities transferred to held to maturity |  |  | $ 106,157,000 | $ 172,292,000 | $ 0 | $ 106,157,000 |
Available for sale securities transferred to held to maturity, net of unrealized loss |  |  | $ 13,186,000 |  | 13,186,000 | 13,186,000 |
Fair value of securities pledged as collateral | $ 292,192,000 |  |  |  | 292,192,000 |  | 396,584,000
Accumulated other comprehensive income | 6,791,000 |  |  |  | 6,791,000 |  | $ 5,861,000
Proceeds from sales | 0 | $ 0 |  |  | 21,268,000 | 0 |
Gross gains | 0 | 0 |  |  | 184,000 | 0 |
Gross losses | $ 0 | $ 0 |  |  | $ (413,000) | $ 0 |

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