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INCOME TAXES - Provision for Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Provision for income taxes    
Currently payable $ 4,230 $ 3,618
Tax expense resulting from allocations of certain tax benefits to equity or as a reduction in other assets 121 115
Deferred (361) 172
Total provision $ 3,990 $ 3,905