XML 86 R70.htm IDEA: XBRL DOCUMENT v3.8.0.1
Allowance for Loan and Lease Losses - Average Recorded Investment and Interest Income Recognized (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment $ 15,800 $ 17,000 $ 17,100
Originated Loans and Leases      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 11,556 9,341 10,120
Interest Income Recognized With No Related Allowance 0 0 0
Average Recorded Investment With Related Allowance 276 1,829 245
Interest Income Recognized With Related Allowance 0 0 0
Average Recorded Investment 11,832 11,170 10,365
Interest Income Recognized 0 0 0
Originated Loans and Leases | Commercial and industrial | Other      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 718 249 1,293
Interest Income Recognized With No Related Allowance 0 0 0
Average Recorded Investment With Related Allowance 276 114 0
Interest Income Recognized With Related Allowance 0 0 0
Originated Loans and Leases | Commercial real estate | Other      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 7,287 6,089 7,490
Interest Income Recognized With No Related Allowance 0 0 0
Average Recorded Investment With Related Allowance 0 1,715 245
Interest Income Recognized With Related Allowance 0 0 0
Originated Loans and Leases | Residential real estate | Home equity      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 3,551 3,003 1,337
Interest Income Recognized With No Related Allowance 0 0 0
Acquired Loans and Leases      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 4,113 5,792 6,198
Interest Income Recognized With No Related Allowance 0 0 0
Average Recorded Investment With Related Allowance 10 58 575
Interest Income Recognized With Related Allowance 0 0 0
Average Recorded Investment 4,123 5,850 6,773
Interest Income Recognized 0 0 0
Acquired Loans and Leases | Commercial and industrial | Other      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 111 183 748
Interest Income Recognized With No Related Allowance 0 0 0
Average Recorded Investment With Related Allowance 10 0 523
Interest Income Recognized With Related Allowance 0 0 0
Acquired Loans and Leases | Commercial real estate | Other      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 2,141 4,141 3,936
Interest Income Recognized With No Related Allowance 0 0 0
Average Recorded Investment With Related Allowance 0 58 52
Interest Income Recognized With Related Allowance 0 0 0
Acquired Loans and Leases | Commercial real estate | Construction      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 0 152 367
Interest Income Recognized With No Related Allowance 0 0 0
Acquired Loans and Leases | Residential real estate | Home equity      
Financing Receivable, Impaired [Line Items]      
Average Recorded Investment With No Related Allowance 1,861 1,316 1,147
Interest Income Recognized With No Related Allowance $ 0 $ 0 $ 0