XML 53 R43.htm IDEA: XBRL DOCUMENT v3.7.0.1
Allowance for Loan Losses - Changes in Allowance for Loan Losses (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Financing Receivable Allowance For Credit Losses [Line Items]        
Balance, beginning of period $ 2,677 $ 2,810 $ 2,707 $ 2,884
Provision (recovery) charged to operations (114) (112) (173) (170)
Charge-offs (42) (64) (100) (142)
Recoveries 30 72 117 134
Net (charge-offs) / Recoveries (12) 8 17 (8)
Balance at end of period 2,551 2,706 2,551 2,706
Commercial [Member]        
Financing Receivable Allowance For Credit Losses [Line Items]        
Balance, beginning of period 1,439 1,315 1,404 1,310
Provision (recovery) charged to operations (107) 11 (135) 71
Charge-offs (16)   (16) (62)
Recoveries 7 20 70 27
Net (charge-offs) / Recoveries (9) 20 54 (35)
Balance at end of period 1,323 1,346 1,323 1,346
Non-Commercial [Member]        
Financing Receivable Allowance For Credit Losses [Line Items]        
Balance, beginning of period 1,238 1,495 1,303 1,574
Provision (recovery) charged to operations (7) (123) (38) (241)
Charge-offs (26) (64) (84) (80)
Recoveries 23 52 47 107
Net (charge-offs) / Recoveries (3) (12) (37) 27
Balance at end of period $ 1,228 $ 1,360 $ 1,228 $ 1,360