Loans And The Allowance For Credit Losses (Composition of Loan Portfolio) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 1,203,655	$ 1,182,334
Commercial, Financial And Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	210,458	177,597
Municipal Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	59,035	94,366
Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	454,114	469,529
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	438,622	412,447
Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	38,435	23,858
Installment Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	2,950	4,504
All Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total Loans	$ 41	$ 33