Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011
Allowance for loan losses [Roll Forward]
Beginning Balance	$ 14,623		$ 14,967
Charge-offs	(4,271)		(3,465)
Recoveries	521		237
Provision	3,438		2,884
Ending Balance	14,311		14,623
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	4,303		5,098
Collectively evaluated for impairment	10,008		9,525
Total ending allowance balances	14,311		14,623
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	26,795		29,199
Collectively Evaluated for Impairment	682,682		642,194
Total ending loan balances	709,477	[1]	671,393	[1]
Real Estate Construction [Member]
Allowance for loan losses [Roll Forward]
Beginning Balance	897		4,684
Charge-offs	(2,152)		(467)
Recoveries	2		29
Provision	2,511		(3,349)
Ending Balance	1,258		897
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	166		328
Collectively evaluated for impairment	1,092		569
Total ending allowance balances	1,258		897
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	2,969		3,804
Collectively Evaluated for Impairment	47,249		38,404
Total ending loan balances	50,218		42,208
Real Estate Loans Secured by Farmland [Member]
Allowance for loan losses [Roll Forward]
Beginning Balance	110		107
Charge-offs	0		0
Recoveries	0		0
Provision	25		3
Ending Balance	135		110
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	0		0
Collectively evaluated for impairment	135		110
Total ending allowance balances	135		110
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	0		0
Collectively Evaluated for Impairment	11,876		10,047
Total ending loan balances	11,876		10,047
Real Estate Secured by 1 - 4 Family Residential [Member]
Allowance for loan losses [Roll Forward]
Beginning Balance	7,465		3,965
Charge-offs	(893)		(2,062)
Recoveries	388		41
Provision	(684)		5,521
Ending Balance	6,276		7,465
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	2,724		3,076
Collectively evaluated for impairment	3,552		4,389
Total ending allowance balances	6,276		7,465
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	10,792		12,675
Collectively Evaluated for Impairment	249,828		224,085
Total ending loan balances	260,620		236,760
Other Real Estate Loans [Member]
Allowance for loan losses [Roll Forward]
Beginning Balance	4,385		4,771
Charge-offs	(760)		(438)
Recoveries	86		98
Provision	637		(46)
Ending Balance	4,348		4,385
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	1,045		1,192
Collectively evaluated for impairment	3,303		3,193
Total ending allowance balances	4,348		4,385
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	10,640		10,313
Collectively Evaluated for Impairment	244,290		265,115
Total ending loan balances	254,930		275,428
Commercial [Member]
Allowance for loan losses [Roll Forward]
Beginning Balance	1,621		1,055
Charge-offs	(394)		(180)
Recoveries	12		41
Provision	859		705
Ending Balance	2,098		1,621
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	338		502
Collectively evaluated for impairment	1,760		1,119
Total ending allowance balances	2,098		1,621
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	2,364		2,407
Collectively Evaluated for Impairment	116,209		92,020
Total ending loan balances	118,573		94,427
Consumer [Member]
Allowance for loan losses [Roll Forward]
Beginning Balance	145		385
Charge-offs	(72)		(318)
Recoveries	33		28
Provision	90		50
Ending Balance	196		145
Ending allowance balance attributable to loans [Abstract]
Individually evaluated for impairment	30		0
Collectively evaluated for impairment	166		145
Total ending allowance balances	196		145
Ending loan recorded investment balances [Abstract]
Individually Evaluated for Impairment	30		0
Collectively Evaluated for Impairment	13,230		12,523
Total ending loan balances	$ 13,260		$ 12,523

[1] Gross loan balances at December 31, 2012 and 2011 are net of deferred loan costs of $2.1 million and $1.9 million respectively.