Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Summary of current and past due loans
30-59 days past due	$ 7,802	$ 19,731
60-89 days past due	5,980	14,837
90 days and over past due	54,079	80,760
Total past due	67,861	115,328
Current	779,936	853,783
Total loans	847,797	969,111
Commercial, financial and agricultural [Member]
Summary of current and past due loans
30-59 days past due	1,047	9,774
60-89 days past due	1,134	8,574
90 days and over past due	15,633	16,867
Total past due	17,814	35,215
Current	182,279	171,437
Total loans	200,093	206,652
Commercial real estate mortgages [Member]
Summary of current and past due loans
30-59 days past due	3,131	4,981
60-89 days past due	596	4,843
90 days and over past due	22,541	45,344
Total past due	26,268	55,168
Current	338,049	373,478
Total loans	364,317	428,646
Real estate construction loans [Member]
Summary of current and past due loans
30-59 days past due		1,282
60-89 days past due	4,250
90 days and over past due	6,334	6,978
Total past due	10,584	8,260
Current	33,048	41,444
Total loans	43,632	49,704
Residential mortgages (1st and 2nd liens) [Member]
Summary of current and past due loans
30-59 days past due	3,181	3,479
60-89 days past due		1,144
90 days and over past due	5,847	7,028
Total past due	9,028	11,651
Current	137,614	148,968
Total loans	146,642	160,619
Home equity loans [Member]
Summary of current and past due loans
30-59 days past due	100
60-89 days past due		198
90 days and over past due	3,560	3,897
Total past due	3,660	4,095
Current	71,563	75,589
Total loans	75,223	79,684
Consumer loans [Member]
Summary of current and past due loans
30-59 days past due	343	215
60-89 days past due		78
90 days and over past due	164	646
Total past due	507	939
Current	17,383	42,867
Total loans	$ 17,890	$ 43,806