Loans and Related Allowace for Loan Losses (Impaired Loans by Loan Portfolio Class) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Recorded Investment, Total	$ 9,293	$ 7,662
Unpaid Principal Balance, Total	10,866	7,891
Related Allowance, Total	339	1,127
Commercial, Financial and Agricultural [Member]
Impaired Loans with No Allowance: Recorded Investment	142	160
Impaired Loans with No Allowance: Unpaid Principal Balance	142	160
Recorded Investment, Total	142	160
Unpaid Principal Balance, Total	142	160
Real Estate - Commercial [Member]
Impaired Loans with No Allowance: Recorded Investment	2,610	2,672
Impaired Loans with No Allowance: Unpaid Principal Balance	2,682	2,672
Impaired Loans with Allowance: Recorded Investment	248
Impaired Loans with Allowance: Unpaid Principal Balance	248
Impaired Loans with Allowance: Related Allowance	72
Recorded Investment, Total	2,858	2,672
Unpaid Principal Balance, Total	2,930	2,672
Related Allowance, Total	72
Real Estate - Construction [Member]
Impaired Loans with No Allowance: Recorded Investment	170	2,004
Impaired Loans with No Allowance: Unpaid Principal Balance	170	2,197
Impaired Loans with Allowance: Recorded Investment	2,193	198
Impaired Loans with Allowance: Unpaid Principal Balance	2,404	198
Impaired Loans with Allowance: Related Allowance	149	91
Recorded Investment, Total	2,363	2,202
Unpaid Principal Balance, Total	2,574	2,395
Related Allowance, Total	149	91
Real Estate - Mortgage [Member]
Impaired Loans with No Allowance: Recorded Investment	3,559	487
Impaired Loans with No Allowance: Unpaid Principal Balance	4,816	523
Impaired Loans with Allowance: Recorded Investment	371	2,141
Impaired Loans with Allowance: Unpaid Principal Balance	404	2,141
Impaired Loans with Allowance: Related Allowance	118	1,036
Recorded Investment, Total	3,930	2,628
Unpaid Principal Balance, Total	5,220	2,664
Related Allowance, Total	$ 118	$ 1,036