XML 103 R70.htm IDEA: XBRL DOCUMENT v3.7.0.1
Loans - Allowance for Loan Losses and Recorded Investment in Loans by Portfolio Segment (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment $ 1,184 $ 278    
Allowance for loan losses, Collectively evaluated for impairment 12,807 13,547    
Allowance for loan losses, Modified in a troubled debt restructuring 2,339 2,912    
Acquired with deteriorated credit quality 16,330 16,737 $ 17,373 $ 16,234
Loans:        
Loans individually evaluated for impairment 6,951 1,837    
Loans collectively evaluated for impairment 1,856,452 1,564,891    
Acquired with deteriorated credit quality 1,142,626 923,543    
Loans modified in a troubled debt restructuring 11,831 14,941    
Total ending loans balance 1,876,966 1,582,354    
Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality 1,732 685    
Commercial, Industrial, and Agricultural [Member]        
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment 188 239    
Allowance for loan losses, Collectively evaluated for impairment 5,115 4,909    
Allowance for loan losses, Modified in a troubled debt restructuring 125 887    
Acquired with deteriorated credit quality 5,428 6,035 7,114 8,212
Loans:        
Loans individually evaluated for impairment 775 1,196    
Loans collectively evaluated for impairment 564,180 469,128    
Acquired with deteriorated credit quality 567,800 475,364    
Loans modified in a troubled debt restructuring 2,640 5,040    
Total ending loans balance 567,800 475,364    
Commercial, Industrial, and Agricultural [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality 205 0    
Commercial Mortgages [Member]        
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment 996 0    
Allowance for loan losses, Collectively evaluated for impairment 3,543 3,580    
Allowance for loan losses, Modified in a troubled debt restructuring 2,214 2,025    
Acquired with deteriorated credit quality 6,753 5,605 5,310 3,536
Loans:        
Loans individually evaluated for impairment 6,176 393    
Loans collectively evaluated for impairment 557,932 437,200    
Acquired with deteriorated credit quality 574,826 448,179    
Loans modified in a troubled debt restructuring 9,191 9,901    
Total ending loans balance 574,826 448,179    
Commercial Mortgages [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality 1,527 685    
Residential Real Estate [Member]        
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment 0 39    
Allowance for loan losses, Collectively evaluated for impairment 1,653 2,436    
Allowance for loan losses, Modified in a troubled debt restructuring 0 0    
Acquired with deteriorated credit quality 1,653 2,475 2,479 2,450
Loans:        
Loans individually evaluated for impairment 0 248    
Loans collectively evaluated for impairment 652,883 573,977    
Loans modified in a troubled debt restructuring 0 0    
Total ending loans balance 652,883 574,225    
Residential Real Estate [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality 0 0    
Consumer [Member]        
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment 0 0    
Allowance for loan losses, Collectively evaluated for impairment 2,215 2,371    
Allowance for loan losses, Modified in a troubled debt restructuring 0 0    
Acquired with deteriorated credit quality 2,215 2,371 2,205 1,763
Loans:        
Loans individually evaluated for impairment 0 0    
Loans collectively evaluated for impairment 74,816 78,345    
Loans modified in a troubled debt restructuring 0 0    
Total ending loans balance 74,816 78,345    
Consumer [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality 0 0    
Credit Cards [Member]        
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment 0 0    
Allowance for loan losses, Collectively evaluated for impairment 93 90    
Allowance for loan losses, Modified in a troubled debt restructuring 0 0    
Acquired with deteriorated credit quality 93 90 71 66
Loans:        
Loans individually evaluated for impairment 0 0    
Loans collectively evaluated for impairment 6,046 5,201    
Loans modified in a troubled debt restructuring 0 0    
Total ending loans balance 6,046 5,201    
Credit Cards [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality 0 0    
Overdrafts [Member]        
Ending allowance balance attributable to loans:        
Allowance for loan losses, Individually evaluated for impairment 0 0    
Allowance for loan losses, Collectively evaluated for impairment 188 161    
Allowance for loan losses, Modified in a troubled debt restructuring 0 0    
Acquired with deteriorated credit quality 188 161 $ 194 $ 207
Loans:        
Loans individually evaluated for impairment 0 0    
Loans collectively evaluated for impairment 595 1,040    
Loans modified in a troubled debt restructuring 0 0    
Total ending loans balance 595 1,040    
Overdrafts [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]        
Ending allowance balance attributable to loans:        
Acquired with deteriorated credit quality 0 0    
Loans:        
Acquired with deteriorated credit quality $ 0 $ 0