Loans and Related Allowance for Loan Losses (Impaired Loans and Related Interest Income by Loan Portfolio Class) (Details) - USD ($) $ in Thousands |
Jun. 30, 2018 |
Dec. 31, 2017 |
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
$ 1,594
|
$ 2,634
|
| Impaired Loans with Specific Allowance: Related Allowance |
175
|
362
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
10,945
|
12,317
|
| Total Impaired Loans: Recorded Investment |
12,539
|
14,951
|
| Total Impaired Loans: Unpaid Principal Balance |
22,927
|
24,983
|
| Commercial real estate- non owner-occupied [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
124
|
1,711
|
| Impaired Loans with Specific Allowance: Related Allowance |
16
|
245
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
689
|
1,907
|
| Total Impaired Loans: Recorded Investment |
813
|
3,618
|
| Total Impaired Loans: Unpaid Principal Balance |
8,598
|
10,579
|
| Commercial real estate- all other CRE [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
0
|
0
|
| Impaired Loans with Specific Allowance: Related Allowance |
0
|
0
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
6,625
|
5,458
|
| Total Impaired Loans: Recorded Investment |
6,625
|
5,458
|
| Total Impaired Loans: Unpaid Principal Balance |
6,625
|
5,731
|
| Acquisition and development- 1-4 family residential construction [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
0
|
0
|
| Impaired Loans with Specific Allowance: Related Allowance |
0
|
0
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
457
|
527
|
| Total Impaired Loans: Recorded Investment |
457
|
527
|
| Total Impaired Loans: Unpaid Principal Balance |
457
|
527
|
| Acquisition and development- All other A&D [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
234
|
295
|
| Impaired Loans with Specific Allowance: Related Allowance |
28
|
40
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
42
|
154
|
| Total Impaired Loans: Recorded Investment |
276
|
449
|
| Total Impaired Loans: Unpaid Principal Balance |
367
|
722
|
| Commercial and industrial [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
0
|
0
|
| Impaired Loans with Specific Allowance: Related Allowance |
0
|
0
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
305
|
668
|
| Total Impaired Loans: Recorded Investment |
305
|
668
|
| Total Impaired Loans: Unpaid Principal Balance |
2,519
|
2,882
|
| Residential mortgage- term [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
1,213
|
598
|
| Impaired Loans with Specific Allowance: Related Allowance |
125
|
65
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
2,274
|
3,023
|
| Total Impaired Loans: Recorded Investment |
3,487
|
3,621
|
| Total Impaired Loans: Unpaid Principal Balance |
3,772
|
3,919
|
| Residential mortgage- home equity [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
0
|
0
|
| Impaired Loans with Specific Allowance: Related Allowance |
0
|
0
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
553
|
580
|
| Total Impaired Loans: Recorded Investment |
553
|
580
|
| Total Impaired Loans: Unpaid Principal Balance |
566
|
593
|
| Consumer [Member] |
|
|
| Financing Receivable, Impaired [Line Items] |
|
|
| Impaired Loans with Specific Allowance: Recorded Investment |
23
|
30
|
| Impaired Loans with Specific Allowance: Related Allowance |
6
|
12
|
| Impaired Loans with No Specific Allowance: Recorded Investment |
0
|
0
|
| Total Impaired Loans: Recorded Investment |
23
|
30
|
| Total Impaired Loans: Unpaid Principal Balance |
$ 23
|
$ 30
|