Loans and Allowance - Subsequent Default (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2013 loan	Jun. 30, 2013 loan
Financing Receivable, Modifications [Line Items]
Number of Loans	1	2
Recorded Balance	$ 3	$ 226
Commercial and industrial loans
Financing Receivable, Modifications [Line Items]
Number of Loans	1	1
Recorded Balance	3	3
Real estate loans - Commercial and farm land
Financing Receivable, Modifications [Line Items]
Number of Loans		1
Recorded Balance		$ 223