XML 55 R45.htm IDEA: XBRL DOCUMENT v3.19.1
Loans and Allowance - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Receivables [Abstract]      
Loans held for sale $ 3,330   $ 4,778
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans 7,299,320   7,224,467
Residential      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans $ 1,512,876   1,494,578
Percentage of troubled debt restructured loans 100.00% 91.00%  
Mortgage loans with formal foreclosure proceedings $ 646   800
Loans acquired with deteriorated credit quality      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans 15,568   15,784
Loans acquired with deteriorated credit quality | Commercial and consumer loan      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans 1,520   1,541
Loans acquired with deteriorated credit quality | Residential      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans $ 938   $ 1,293