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FAIR VALUES OF FINANCIAL INSTRUMENTS: (Details Textual) | 12 Months Ended
--- | ---
Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
Carrying amount and estimated fair value of financial instruments |  |  |
Gain On Sale Of Securities Net | $ 274,000 | $ 290,000 | $ 55,000
Other Real Estate Commercial loan | Level 3 |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value | 68,000 | 846,000 |
Other Real Estate Residential Loan | Level 3 |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value | 40,000 | 167,000 |
Impaired Loans | Level 3 |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value | 12,839,000 | 6,581,000 |
Other Real Estate | Level 3 |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value | 108,000 | 1,000,000 |
Assets fair value adjustment increase (decrease) | $ 0 | $ 0 |
Measurement Input, Discount Rate | Minimum |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value Inputs, Discount Rate | 0 |  |
Measurement Input, Discount Rate | Minimum | Impaired Loans |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value Inputs, Discount Rate | 0.0000 | 0.0000 |
Measurement Input, Discount Rate | Maximum |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value Inputs, Discount Rate | 0.50 |  |
Measurement Input, Discount Rate | Maximum | Impaired Loans |  |  |
Carrying amount and estimated fair value of financial instruments |  |  |
Fair Value Inputs, Discount Rate | 0.5000 | 0.5000 |

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