Fair Value (Fair Value Of Financial Instruments) (Tables) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accrued interest receivable	$ 3,362	$ 3,298
Accrued interest payable	438	434
Cash and cash equivalents, Carrying amount	79,976	94,192	71,817	82,574
Securities held to maturity, Carrying amount	28,267	21,515
SBA loans held for sale, Carrying value	6,556	6,937
Loans, net of allowance for loan losses, Carrying value	575,670	565,341
Federal Home Loan Bank Stock, Carrying value	3,989	3,989
SBA Servicing Assets, Carrying value	388	396
Deposits, Carrying value	652,117	648,760
Borrowed funds and subordinated debenture, Carrying value	90,465	90,465
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash And Cash Equivalents, Estimated fair value	79,976	94,192
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities Held To Maturity, Estimated fair value	28,859	22,741
SBA Loans Held For Sale, Estimated fair value	7,293	7,582
Loans, Net Of Allowance For Loan Losses, Estimated fair value	574,118	564,528
Federal Home Loan Bank Stock, Estimated fair value	3,989	3,989
Accrued interest receivable	3,362	3,298
Deposits, Estimated fair value	653,668	650,668
Borrowed Funds And Subordinated Debentures, Estimated fair value	99,571	100,257
Accrued interest payable	438	434
Securities held to maturity, Carrying amount	28,267	21,515
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
SBA servicing assets	$ 388	$ 396