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COMMITMENTS AND CONTINGENCIES COMMITMENTS AND CONTINGENCIES (Summary of Contractual and Notional Amounts of FInancial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Financial Instruments [Line Items]
Contractual Amounts Of Financial Instrument	$ 679,636	$ 739,860
Commitments to Extend Credit [Member]
Financial Instruments [Line Items]
Contractual Amounts Of Financial Instrument	674,071	734,649
Standby Letters of Credit [Member]
Financial Instruments [Line Items]
Contractual Amounts Of Financial Instrument	$ 5,565	$ 5,211

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Financial Instruments [Line Items]

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