Loans and Related Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	$ 826,511	$ 814,860
30-59 Days Past Due	1,741	11,057
60-89 Days Past Due	2,407	1,994
90 Days+ Past Due	657	529
Total Past Due and Still Accruing	4,805	13,580
Non-Accrual	11,776	11,551
Total Loans	843,092	839,991
Commercial real estate- non owner-occupied [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	145,975	135,994
30-59 Days Past Due	69	104
60-89 Days Past Due	0	183
90 Days+ Past Due	0	0
Total Past Due and Still Accruing	69	287
Non-Accrual	1,499	1,152
Total Loans	147,543	137,433
Commercial real estate- all other CRE [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	112,969	112,825
30-59 Days Past Due	179	1,196
60-89 Days Past Due	187	0
90 Days+ Past Due	148	0
Total Past Due and Still Accruing	514	1,196
Non-Accrual	4,907	4,610
Total Loans	118,390	118,631
Acquisition and development- 1-4 family residential construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	16,452	13,710
30-59 Days Past Due	0	0
60-89 Days Past Due	0	0
90 Days+ Past Due	0	0
Total Past Due and Still Accruing	0	0
Non-Accrual	0	0
Total Loans	16,452	13,710
Acquisition and development- All other A&D [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	79,110	81,702
30-59 Days Past Due	0	239
60-89 Days Past Due	252	40
90 Days+ Past Due	0	1
Total Past Due and Still Accruing	252	280
Non-Accrual	2,942	3,609
Total Loans	82,304	85,591
Commercial and industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	74,532	93,060
30-59 Days Past Due	79	0
60-89 Days Past Due	0	20
90 Days+ Past Due	0	4
Total Past Due and Still Accruing	79	24
Non-Accrual	169	171
Total Loans	74,780	93,255
Residential mortgage- term [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	297,653	279,340
30-59 Days Past Due	438	8,654
60-89 Days Past Due	1,638	1,350
90 Days+ Past Due	509	416
Total Past Due and Still Accruing	2,585	10,420
Non-Accrual	2,029	1,666
Total Loans	302,267	291,426
Residential mortgage- home equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	75,374	74,913
30-59 Days Past Due	798	577
60-89 Days Past Due	278	313
90 Days+ Past Due	0	69
Total Past Due and Still Accruing	1,076	959
Non-Accrual	230	343
Total Loans	76,680	76,215
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Current	24,446	23,316
30-59 Days Past Due	178	287
60-89 Days Past Due	52	88
90 Days+ Past Due	0	39
Total Past Due and Still Accruing	230	414
Non-Accrual	0	0
Total Loans	$ 24,676	$ 23,730