Allowance for Credit Losses (Credit Quality Indicators) (Details) - USD ($)
$ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
$ 819,753
|
$ 817,529
|
| Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
791,207
|
790,803
|
| Special Mention [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
15,821
|
4,354
|
| Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
12,725
|
22,372
|
| Residential Mortgage [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
88,249
|
87,581
|
| Residential Mortgage [Member] | Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
86,114
|
85,259
|
| Residential Mortgage [Member] | Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
2,135
|
2,322
|
| Commercial Mortgage [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
461,012
|
465,486
|
| Commercial Mortgage [Member] | Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
447,639
|
450,124
|
| Commercial Mortgage [Member] | Special Mention [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
7,821
|
3,763
|
| Commercial Mortgage [Member] | Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
5,552
|
11,599
|
| Commercial Term [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
120,786
|
123,175
|
| Commercial Term [Member] | Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
116,490
|
116,522
|
| Commercial Term [Member] | Special Mention [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
1,399
|
591
|
| Commercial Term [Member] | Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
2,897
|
6,062
|
| Commercial Construction [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
84,428
|
72,755
|
| Commercial Construction [Member] | Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
76,759
|
71,400
|
| Commercial Construction [Member] | Special Mention [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
6,601
|
|
| Commercial Construction [Member] | Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
1,068
|
1,355
|
| Consumer: Home Equity [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
59,433
|
62,560
|
| Consumer: Home Equity [Member] | Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
58,668
|
61,782
|
| Consumer: Home Equity [Member] | Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
765
|
778
|
| Consumer: Other [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
5,845
|
5,972
|
| Consumer: Other [Member] | Pass [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
5,537
|
5,716
|
| Consumer: Other [Member] | Substandard [Member] |
|
|
| Financing Receivable, Recorded Investment [Line Items] |
|
|
| Loans and Leases Receivable, Gross |
$ 308
|
$ 256
|