Loans and Allowance for Loan Losses (Troubled Debt Restructuring) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) loans	Jun. 30, 2014 USD ($) loans	Jun. 30, 2015 USD ($) loans	Jun. 30, 2014 USD ($) loans
Financing Receivable, Modifications [Line Items]
Number of loans | loans	2	1	2	7
Pre-modification outstanding recorded investment	$ 816	$ 17	$ 816	$ 752
Post-modification outstanding recorded investment	$ 816	$ 21	$ 816	$ 828
Loans modified, extended terms | loans				2
Loans modified, interest rate modification | loans			1	5
Commercial and agricultural [Member]
Financing Receivable, Modifications [Line Items]
Number of loans | loans	0	0	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Real estate - construction [Member]
Financing Receivable, Modifications [Line Items]
Number of loans | loans	1	0	1	0
Pre-modification outstanding recorded investment	$ 370	$ 0	$ 370	$ 0
Post-modification outstanding recorded investment	$ 370	$ 0	$ 370	$ 0
Real estate - mortgage, 1-4 family residential [Member]
Financing Receivable, Modifications [Line Items]
Number of loans | loans	1	1	1	7
Pre-modification outstanding recorded investment	$ 446	$ 17	$ 446	$ 752
Post-modification outstanding recorded investment	$ 446	$ 21	$ 446	$ 828
Real estate - mortgage, commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of loans | loans	0	0	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of loans | loans	0	0	0	0
Pre-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0
Post-modification outstanding recorded investment	$ 0	$ 0	$ 0	$ 0