Loans and Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Summary of loans, by major class within Company's loan portfolio
Total loans	$ 860,985	$ 839,547
Commercial, financial, and agricultural
Summary of loans, by major class within Company's loan portfolio
Total loans	150,733	141,845
Real estate construction - residential
Summary of loans, by major class within Company's loan portfolio
Total loans	19,935	21,008
Real estate construction - commercial
Summary of loans, by major class within Company's loan portfolio
Total loans	62,391	55,076
Real estate mortgage - residential
Summary of loans, by major class within Company's loan portfolio
Total loans	234,244	225,630
Real estate mortgage - commercial
Summary of loans, by major class within Company's loan portfolio
Total loans	374,909	375,686
Installment and other consumer
Summary of loans, by major class within Company's loan portfolio
Total loans	$ 18,773	$ 20,302