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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Narrative) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Financial Instruments With Off Balance Sheet Risk [Abstract]    
Letters of credit outstanding $ 17.7 $ 19.2
Unfunded lines of credit and undisbursed construction loan funds $ 324.8 $ 339.2