Allowance for Loan Losses - Troubled Debt Restructurings (Detail)
$ in Thousands |
12 Months Ended |
|
Dec. 31, 2015
USD ($)
SecurityLoan
|
Dec. 31, 2014
USD ($)
SecurityLoan
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
23
|
31
|
| Pre-mod outstanding principal balance |
$ 3,979
|
$ 4,754
|
| Post-mod outstanding principal balance |
3,973
|
4,656
|
| Financial impact due to TDR taken as additional provision |
$ 451
|
$ 279
|
| Number that defaulted during the period | SecurityLoan |
10
|
6
|
| Recorded investment of TDRs that defaulted during the period |
$ 736
|
$ 903
|
| Financial impact due to the default of previous TDR taken as charge-offs or additional provisions |
$ (9)
|
$ (8)
|
| Home Equity Lines of Credit [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
2
|
6
|
| Pre-mod outstanding principal balance |
$ 301
|
$ 940
|
| Post-mod outstanding principal balance |
$ 301
|
$ 967
|
| Number that defaulted during the period | SecurityLoan |
3
|
1
|
| Recorded investment of TDRs that defaulted during the period |
$ 182
|
$ 20
|
| C&I [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
8
|
7
|
| Pre-mod outstanding principal balance |
$ 956
|
$ 218
|
| Post-mod outstanding principal balance |
944
|
219
|
| Financial impact due to TDR taken as additional provision |
$ 405
|
$ 101
|
| Number that defaulted during the period | SecurityLoan |
|
1
|
| Recorded investment of TDRs that defaulted during the period |
|
$ 116
|
| Financial impact due to the default of previous TDR taken as charge-offs or additional provisions |
|
$ (8)
|
| Home Equity Loans [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
2
|
2
|
| Pre-mod outstanding principal balance |
$ 315
|
$ 100
|
| Post-mod outstanding principal balance |
321
|
102
|
| Financial impact due to TDR taken as additional provision |
$ 38
|
$ (1)
|
| Number that defaulted during the period | SecurityLoan |
1
|
|
| Recorded investment of TDRs that defaulted during the period |
$ 53
|
|
| Financial impact due to the default of previous TDR taken as charge-offs or additional provisions |
$ (9)
|
|
| Construction [Member] | Residential [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
|
1
|
| Pre-mod outstanding principal balance |
|
$ 102
|
| Post-mod outstanding principal balance |
|
$ 85
|
| Construction [Member] | Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
|
2
|
| Pre-mod outstanding principal balance |
|
$ 219
|
| Post-mod outstanding principal balance |
|
$ 196
|
| RE Mortgage [Member] | Residential [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
4
|
5
|
| Pre-mod outstanding principal balance |
$ 800
|
$ 1,048
|
| Post-mod outstanding principal balance |
801
|
1,050
|
| Financial impact due to TDR taken as additional provision |
$ 8
|
$ 91
|
| Number that defaulted during the period | SecurityLoan |
4
|
2
|
| Recorded investment of TDRs that defaulted during the period |
$ 221
|
$ 344
|
| RE Mortgage [Member] | Commercial [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
5
|
7
|
| Pre-mod outstanding principal balance |
$ 1,518
|
$ 1,980
|
| Post-mod outstanding principal balance |
1,517
|
1,890
|
| Financial impact due to TDR taken as additional provision |
$ (5)
|
$ 22
|
| Number that defaulted during the period | SecurityLoan |
2
|
2
|
| Recorded investment of TDRs that defaulted during the period |
$ 280
|
$ 423
|
| Other Consumer [Member] |
|
|
| Financing Receivable, Recorded Investment, Past Due [Line Items] |
|
|
| Number | SecurityLoan |
2
|
1
|
| Pre-mod outstanding principal balance |
$ 89
|
$ 147
|
| Post-mod outstanding principal balance |
89
|
147
|
| Financial impact due to TDR taken as additional provision |
$ 5
|
$ 66
|