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COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Summary of Contractual and Notional Amounts of FInancial Instruments) (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Financial Instruments [Line Items] |  |
Contractual Amounts Of Financial Instrument | $ 759,493 | $ 728,721
Commitments to Extend Credit [Member] |  |
Financial Instruments [Line Items] |  |
Contractual Amounts Of Financial Instrument | 753,052 | 723,986
Standby Letters of Credit [Member] |  |
Financial Instruments [Line Items] |  |
Contractual Amounts Of Financial Instrument | $ 6,441 | $ 4,735

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