Loans Receivable and Allowance for Loan Losses (Gross Loans By Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Jun. 30, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	$ 650,589		$ 618,121
Deferred costs (fees)	(352)		(220)
Allowance for loan losses	(8,704)	(9,332)	(9,542)	(9,798)	(9,385)	(12,050)
Net loans receivable	641,533		608,359
Commercial Real Estate [Member]
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	328,486		335,561
Allowance for loan losses	(2,740)	(3,581)	(3,979)	(4,622)	(3,961)	(7,372)
Construction and Land Development [Member]
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	25,238		26,659
Allowance for loan losses	(2,024)	(2,502)	(1,273)	(1,243)	(1,416)	(558)
Commercial and Industrial [Member]
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	113,302		103,768
Allowance for loan losses	(1,833)	(1,997)	(1,880)	(1,550)	(1,816)	(1,928)
Owner occupied Real Estate [Member]
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	150,594		126,242
Allowance for loan losses	(967)	(986)	(1,967)	(1,961)	(1,626)	(1,963)
Consumer and Other [Member]
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	30,595		23,449
Allowance for loan losses	(212)	(191)	(234)	(188)	(134)	(113)
Residential Mortgage [Member]
Financing Receivable Portfolio Summary [Line Items]
Total loans receivable	2,374		2,442
Allowance for loan losses	$ (14)	$ (14)	$ (17)	$ (18)	$ (16)	$ (23)