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INCOME TAXES (Schedule of Total Income Tax Expense Differed from Amounts Computed by Applying U.S. Federal Income Tax Rate to Income Before Taxes) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 31, 2021 | Sep. 30, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Income Tax Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
"Computed expected tax expense" |  |  |  |  |  |  |  |  | $ 16,309 | $ 6,721 | $ 13,886
(Decrease)/increase in taxes resulting from: |  |  |  |  |  |  |  |  |  |  |
Tax-exempt income |  |  |  |  |  |  |  |  | (146) | (287) | (431)
State income taxes, net of Federal benefit |  |  |  |  |  |  |  |  | 4,789 | 1,813 | 2,540
Impact of state tax reform, net of Federal benefit |  |  |  |  |  |  |  |  |  |  | 2,954
Bank owned life insurance income |  |  |  |  |  |  |  |  | (356) | (267) | (277)
Life insurance expense |  |  |  |  |  |  |  |  | 199 | 225 | 234
Interest disallowance |  |  |  |  |  |  |  |  | 14 | 66 | 146
Meals and entertainment expense |  |  |  |  |  |  |  |  | 39 | 40 | 40
Stock-based compensation |  |  |  |  |  |  |  |  | 9 | 569 | (46)
Impact of CARES Act |  |  |  |  |  |  |  |  |  | (3,009) |
Other |  |  |  |  |  |  |  |  | 183 | (60) | (358)
Total income tax expense | $ 5,867 | $ 5,036 | $ 5,521 | $ 4,616 | $ 1,512 | $ 5,202 | $ 2,441 | $ (3,344) | $ 21,040 | $ 5,811 | $ 18,688

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