Loans Receivable and Allowance for Loan Losses (Classes Of The Loan Portfolio Summarized By The Aggregate Risk Rating) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	$ 605,182	$ 589,716
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	333,961	344,377
Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	36,306	35,061
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	102,382	87,668
Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	112,338	102,777
Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	17,707	16,683
Residential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	2,488	3,150
Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	555,077	533,125
Pass [Member] | Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	303,766	310,364
Pass [Member] | Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	29,951	27,224
Pass [Member] | Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	93,698	77,888
Pass [Member] | Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	108,690	99,031
Pass [Member] | Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	16,484	15,468
Pass [Member] | Residential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	2,488	3,150
Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	4,272	9,030
Special Mention [Member] | Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	3,817	8,573
Special Mention [Member] | Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	246	248
Special Mention [Member] | Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	108
Special Mention [Member] | Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	101	209
Substandard [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	45,833	47,561
Substandard [Member] | Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	26,378	25,440
Substandard [Member] | Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	6,355	7,837
Substandard [Member] | Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	8,438	9,532
Substandard [Member] | Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	3,540	3,746
Substandard [Member] | Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	$ 1,122	$ 1,006