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PREMISES AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Property, Plant and Equipment [Abstract] |  |  |
Depreciation expense | $ 15.0 | $ 13.6 | $ 10.9

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- Definition Depreciation Adjusted for Discontinued Operations. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Balance Type: | na
Period Type: | duration