XML 75 R59.htm IDEA: XBRL DOCUMENT v3.8.0.1
Loans (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans $ 6,584,773 $ 6,198,057
Deferred loan origination costs, net 42,600 40,300
Residential loans held for sale 700 600
Loans serviced for unrelated third parties 586,700 604,000
Mortgage servicing rights 600 900
Loans and Leases Receivable, Related Parties [Roll Forward]    
Balance at January 1 2,050 2,346
New loans 297 936
Adjustment due to change in composition of related parties 198 (406)
Repayments (968) (826)
Balance at December 31 1,577 2,050
Commercial [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans 1,317,174 1,242,701
Commercial Real Estate [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans 1,711,095 1,543,301
Consumer [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans 1,740,038 1,641,657
Home Equity [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans 494,771 507,784
Residential Real Estate Mortgages [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans 1,321,695 1,262,614
Commercial Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans 3,028,269 2,786,002
Commercial Loans [Member] | Agricultural and Agricultural Real Estate Mortgages [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans serviced for unrelated third parties 29,100 28,500
Consumer Loans [Member]    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Net Loans $ 2,234,809 $ 2,149,441