Loans and Allowance for Loan Losses (Troubled Debt Restructuring) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014 loans	Sep. 30, 2013 loans	Sep. 30, 2014 loans	Sep. 30, 2013 loans
Financing Receivable, Modifications [Line Items]
Number of loans	2	0	19	11
Pre-modification outstanding recorded investment	$ 297	$ 0	$ 4,681	$ 4,344
Post-modification outstanding recorded investment	297	0	4,757	3,825
Loans modified, extended terms			2	2
Loans modified, interest rate modification			17	1
Loans modified, extended terms and interest rate modification				8
Commercial and agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0	2	0
Pre-modification outstanding recorded investment	0	0	94	0
Post-modification outstanding recorded investment	0	0	94	0
Real estate - construction [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	0	2	0
Pre-modification outstanding recorded investment	37	0	523	0
Post-modification outstanding recorded investment	37	0	523	0
Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	1	0	8	9
Pre-modification outstanding recorded investment	260	0	1,012	2,733
Post-modification outstanding recorded investment	260	0	1,088	2,630
Real estate - mortgage, commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0	7	2
Pre-modification outstanding recorded investment	0	0	3,052	1,611
Post-modification outstanding recorded investment	0	0	3,052	1,195
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of loans	0	0	0	0
Pre-modification outstanding recorded investment	0	0	0	0
Post-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0