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	Sep. 30, 2012	Dec. 31, 2011
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	$ 623,354	$ 589,716
Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	344,149	344,377
Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	29,744	35,061
Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	108,665	87,668
Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	117,959	102,777
Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	20,370	16,683
Residential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	2,467	3,150
Pass [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	576,858	533,125
Pass [Member] | Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	316,659	310,364
Pass [Member] | Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	23,662	27,224
Pass [Member] | Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	101,358	77,888
Pass [Member] | Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	113,761	99,031
Pass [Member] | Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	18,951	15,468
Pass [Member] | Residential mortgage [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	2,467	3,150
Special Mention [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	515	9,030
Special Mention [Member] | Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	247	8,573
Special Mention [Member] | Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable		248
Special Mention [Member] | Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	167
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	45,981	47,561
Substandard [Member] | Commercial real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	27,243	25,440
Substandard [Member] | Construction and land development [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	6,082	7,837
Substandard [Member] | Commercial and industrial [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	7,307	9,532
Substandard [Member] | Owner occupied real estate [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	4,031	3,746
Substandard [Member] | Consumer and other [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Total loans receivable	$ 1,318	$ 1,006