Loans and Related Allowance for Loan Losses (Primary Segments of the Allowance for Loan Loss) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	$ 1,166		$ 1,236
Collectively evaluated for impairment	10,643		10,829
Total allowance for loan losses	11,809	$ 11,751	12,065	$ 12,463	$ 12,572	$ 13,594
Commercial Real Estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	30		36
Collectively evaluated for impairment	2,536		2,388
Total allowance for loan losses	2,566	2,576	2,424	2,839	3,399	4,052
Acquisition and Development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	1,052		1,141
Collectively evaluated for impairment	2,754		2,771
Total allowance for loan losses	3,806	3,692	3,912	3,642	3,896	4,172
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	1,007		1,680
Total allowance for loan losses	1,007	1,477	1,680	1,553	1,070	766
Residential Mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	84		59
Collectively evaluated for impairment	3,623		3,803
Total allowance for loan losses	3,707	3,790	3,862	4,178	3,962	4,320
Consumer [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	223		187
Total allowance for loan losses	223	216	187	251	245	284
Unallocated [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	500		0
Total allowance for loan losses	$ 500	$ 0	$ 0	$ 0	$ 0	$ 0