Loans and Related Allowance for Loan Losses (Allowance for Loan Losses Summarized by Loan Portfolio Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	$ 11,809	$ 12,463	$ 12,065	$ 13,594
Charge-offs	(245)	(1,205)	(998)	(3,783)
Recoveries	147	122	518	628
Provision for loan losses	500	688	626	1,629
ALL Ending Balance	12,211	12,068	12,211	12,068
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	2,566	2,839	2,424	4,052
Charge-offs	(8)	(64)	(295)	(85)
Recoveries	1	1	66	11
Provision for loan losses	22	(184)	386	(1,386)
ALL Ending Balance	2,581	2,592	2,581	2,592
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,806	3,642	3,912	4,172
Charge-offs	0	(903)	(256)	(2,423)
Recoveries	59	33	100	104
Provision for loan losses	623	938	732	1,857
ALL Ending Balance	4,488	3,710	4,488	3,710
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	1,007	1,553	1,680	766
Charge-offs	0	(5)	0	(213)
Recoveries	4	15	24	22
Provision for loan losses	(277)	28	(970)	1,016
ALL Ending Balance	734	1,591	734	1,591
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	3,707	4,178	3,862	4,320
Charge-offs	(164)	(116)	(200)	(682)
Recoveries	29	27	162	183
Provision for loan losses	120	(110)	(132)	158
ALL Ending Balance	3,692	3,979	3,692	3,979
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	223	251	187	284
Charge-offs	(73)	(117)	(247)	(380)
Recoveries	54	46	166	308
Provision for loan losses	12	16	110	(16)
ALL Ending Balance	216	196	216	196
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
ALL Beginning Balance	500	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for loan losses	0	0	500	0
ALL Ending Balance	$ 500	$ 0	$ 500	$ 0