Loans, Net, Credit Quality Indicator (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	$ 709,477	[1]	$ 671,393	[1]
Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	631,414		578,152
Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	35,834		44,358
Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	38,611		45,818
Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	3,618		3,065
Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Real Estate Loans Construction [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	50,218		42,208
Real Estate Loans Construction [Member] | Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	29,741		22,250
Real Estate Loans Construction [Member] | Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	15,540		5,764
Real Estate Loans Construction [Member] | Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	3,902		13,163
Real Estate Loans Construction [Member] | Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	1,035		1,031
Real Estate Loans Construction [Member] | Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Real Estate Loans Secured by Farmland [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	11,876		10,047
Real Estate Loans Secured by Farmland [Member] | Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	11,068		9,235
Real Estate Loans Secured by Farmland [Member] | Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	199		199
Real Estate Loans Secured by Farmland [Member] | Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	609		613
Real Estate Loans Secured by Farmland [Member] | Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Real Estate Loans Secured by Farmland [Member] | Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	260,620		236,760
Real Estate Loans Secured by 1 - 4 Family Residential [Member] | Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	237,121		207,332
Real Estate Loans Secured by 1 - 4 Family Residential [Member] | Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	3,767		10,773
Real Estate Loans Secured by 1 - 4 Family Residential [Member] | Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	18,333		17,062
Real Estate Loans Secured by 1 - 4 Family Residential [Member] | Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	1,399		1,593
Real Estate Loans Secured by 1 - 4 Family Residential [Member] | Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Other Real Estate Loans [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	254,930		275,428
Other Real Estate Loans [Member] | Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	228,052		239,156
Other Real Estate Loans [Member] | Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	12,949		23,434
Other Real Estate Loans [Member] | Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	12,887		12,592
Other Real Estate Loans [Member] | Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	1,042		246
Other Real Estate Loans [Member] | Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Commercial Loans [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	118,573		94,427
Commercial Loans [Member] | Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	112,298		87,731
Commercial Loans [Member] | Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	3,332		4,127
Commercial Loans [Member] | Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	2,831		2,374
Commercial Loans [Member] | Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	112		195
Commercial Loans [Member] | Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	0		0
Consumer Loans [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	13,260		12,523
Consumer Loans [Member] | Pass [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	13,134		12,448
Consumer Loans [Member] | Special Mention [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	47		61
Consumer Loans [Member] | Substandard [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	49		14
Consumer Loans [Member] | Doubtful [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	30		0
Consumer Loans [Member] | Loss [Member]
Summary of loan classifications by class of loan [Abstract]
Summary of loan quality by class of loan	$ 0		$ 0

[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.