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INCOME TAXES (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Income Tax Examination [Line Items]          
Unrecognized tax benefits $ 0   $ 0    
Amortization method qualified affordable housing project investments, amortization 900,000 $ 500,000 2,100,000 $ 1,400,000  
Tax benefits recorded as income tax expense     500,000    
Carrying value of investment in affordable housing credits 26,700,000   26,700,000   $ 16,900,000
Tax Credit          
Income Tax Examination [Line Items]          
Affordable housing tax credits $ 1,900,000   $ 1,900,000