Annual report pursuant to Section 13 and 15(d)

SIGNIFICANT ACCOUNTING POLICIES - impact of adopting ASC 326 (Details)

v3.20.4
SIGNIFICANT ACCOUNTING POLICIES - impact of adopting ASC 326 (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Jan. 01, 2020
Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Allowance for Credit Loss $ 23,816 $ 17,174 $ 13,905
Allowance for Credit Losses on Off-Balance Sheet Credit Exposures   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, Agricultural [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Allowance for Credit Loss 2,204 2,163 1,675
Commercial, Financial, 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 2,479 672 370
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 7,029 4,874 3,416
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 5,440 4,371 3,128
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 3,111 2,598 2,224
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, Other Loans and Overdrafts [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Allowance for Credit Loss $ 3,553 2,496 $ 3,092
Consumer, Other Loans and Overdrafts [Member] | Impact of Adoption of ASC 326 [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Allowance for Credit Loss   $ (596)