XML 70 R58.htm IDEA: XBRL DOCUMENT v3.19.1
Loans and Allowance for Credit Losses Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Provision for credit losses $ 5,100 $ 3,970  
Loans charged off $ 6,369 $ 6,397  
Impaired loans with principal balances approximately in percentage 78.00% 89.00%  
Loan to value ratio in the Corporation's policy 70.00%    
Recorded investment, with no related allowance $ 78,453   $ 77,566
Minimum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Minimum balance of loans evaluated individually for impairment 1,000    
Impaired loans balances, real estate as collateral 1,000    
Maximum      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Minimum balance of loans evaluated individually for impairment $ 1,000