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SECURITIES: (Details Textual) - USD ($) | 2 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 04, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Securities pledged as collateral |  | $ 814,700,000 | $ 744,500,000 |  |
Gain on sale of investments |  | 274,000 | 290,000 | $ 55,000 |
Loss on sale of investments |  | 160,000 | 57,000 | 11,000 |
Cumulative OTTI charges |  | 2,974,000 | 2,974,000 | 2,974,000 | $ 2,974,000
Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale | $ 3,100,000 | $ 262,209,000 | $ 260,631,000 | $ 181,763,000 |
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions |  | 221 |  |  |
Other Than Temporarily Impaired Cdo [Member] |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Contractual balance |  | $ 3,700,000 |  |  |
Reduced balance |  | 3,400,000 |  |  |
Interest payment received |  | 750,000 |  |  |
Cumulative OTTI charges |  | 3,000,000 |  |  |
Other comprehensive income net |  | $ 3,400,000 |  |  |

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