Quarterly report pursuant to Section 13 or 15(d)

BUSINESS AND BASIS OF PRESENTATION (Impact of adopting ASC 326) (Details)

v3.20.1
BUSINESS AND BASIS OF PRESENTATION (Impact of adopting ASC 326) (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss $ 21,083 $ 17,174 $ 13,905 $ 14,120 $ 14,210
Allowance for Credit Losses on Off-Balance Sheet Credit Exposures 1,000 815 157    
Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     3,269    
Allowance for Credit Losses on Off-Balance Sheet Credit Exposures     658    
Commercial, Financial and Agricultural [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss 2,247 2,163 1,675 1,630 1,434
Commercial, Financial and Agricultural [Member] | Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     488    
Real Estate - Construction [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss 1,239 672 370 381 280
Real Estate - Construction [Member] | Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     302    
Real Estate - Commercial Mortgage [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss 5,828 4,874 3,416 3,993 4,181
Real Estate - Commercial Mortgage [Member] | Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     1,458    
Real Estate - Residential [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss 6,005 4,371 3,128 3,186 3,400
Real Estate - Residential [Member] | Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     1,243    
Real Estate - Home Equity [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss 2,701 2,598 2,224 2,261 2,301
Real Estate - Home Equity [Member] | Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     374    
Consumer [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss $ 3,063 $ 2,496 3,092 $ 2,669 $ 2,614
Consumer [Member] | Impact of Adoption of ASC 326 [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Financing Receivable, Allowance for Credit Loss     $ (596)