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ACQUISITION (Fair Value Adjustments) (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Jan. 11, 2020 | Dec. 31, 2021
Business Acquisition [Line Items] |  |
Interest rate fair value adjustment on pools of homogeneous loans | $ 2,600 | $ (2,600)
Credit fair value adjustment on pools of homogeneous loans | 5,300 | $ (5,900)
Frederick County Bancorp, Inc. |  |
Business Acquisition [Line Items] |  |
Gross amortized cost basis at January 11, 2020 | 339,577 |
Interest rate fair value adjustment on pools of homogeneous loans | (2,632) |
Credit fair value adjustment on pools of homogeneous loans | (5,931) |
Fair value of acquired loans at January 11, 2020 | 329,312 |
Frederick County Bancorp, Inc. | Purchased credit impaired loans |  |
Business Acquisition [Line Items] |  |
Credit fair value adjustment on pools of homogeneous loans | $ (1,702) |

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