Loans and Related Allowace for Loan Losses (Nonaccrual Loans by Classes of the Loan Portfolio) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 7,463	$ 8,846
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	15	20
Real Estate - Commercial [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	1,675	1,835
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	2,363	2,376
Real Estate - Mortgage [Member]
Financing Receivable, Recorded Investment, Nonaccrual Status	$ 3,410	$ 4,615