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MARKETABLE SECURITIES - Narrative (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) Security Position | Dec. 31, 2020 USD ($) Security | Dec. 31, 2019 USD ($) Security
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Line Items] |  |  |
Allowance for credit losses for available for sale debt securities | $ 0 | $ 0 |
Number of investment in an unrealized loss position | Position | 50 |  |
Number of investment in an sale debt securities | Position | 22 |  |
Percentage of unrealized loss exceeds book value | 20.00% |  |
Number of securities other than agencies amount | Security | 0 |  |
Fair value of securities pledged as collateral | $ 310,958,000 | $ 314,962,000 |
Number of securities sold | Security | 0 | 0 |
Number of held to maturity securities sold | Security | 0 | 0 | 0
Accumulated other comprehensive income | $ 8,860,000 |  |
Proceeds From Sales |  |  | $ 3,957,000
Gross gains |  |  | 0
Gross losses |  |  | $ (22,000)

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