Loans, Net Recorded investment in past due loans by class of loans (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013	Dec. 31, 2012
Past due loans by class of loans [Abstract]
30-59 Days Past Due	$ 973		$ 975
60-89 Days Past Due	1		6,922
90 Days Or Greater	3,871		5,838
Total Past Due	4,845		13,735
Current	750,001		714,745
Total Loans	754,846	[1]	728,480	709,477
Real Estate Loans Construction [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	0		76
60-89 Days Past Due	0		1,649
90 Days Or Greater	0		554
Total Past Due	0		2,279
Current	33,050		33,746
Total Loans	33,050		36,025	50,218
Real Estate Loans Secured by Farmland [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	0		0
60-89 Days Past Due	0		0
90 Days Or Greater	0		0
Total Past Due	0		0
Current	19,708		16,578
Total Loans	19,708		16,578
Real Estate Loans Secured by 1 - 4 Family Residential [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	819		590
60-89 Days Past Due	0		3,751
90 Days Or Greater	548		1,022
Total Past Due	1,367		5,363
Current	263,849		268,021
Total Loans	265,216		273,384	260,620
Other Real Estate Loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	0		116
60-89 Days Past Due	0		0
90 Days Or Greater	0		4,197
Total Past Due	0		4,313
Current	255,236		256,020
Total Loans	255,236		260,333	254,930
Commercial Loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	138		162
60-89 Days Past Due	0		1,513
90 Days Or Greater	320		27
Total Past Due	458		1,702
Current	162,811		127,852
Total Loans	163,269		129,554	118,573
Consumer Loans [Member]
Past due loans by class of loans [Abstract]
30-59 Days Past Due	16		31
60-89 Days Past Due	1		9
90 Days Or Greater	3,003		38
Total Past Due	3,020		78
Current	15,347		12,528
Total Loans	$ 18,367		$ 12,606	$ 13,260

[1] net deferred loan costs and premiums of $3.0 million and $2.4 million, respectively.