Loans and Allowance - Additional Information (Details) (USD $) In Thousands, unless otherwise specified			6 Months Ended
	Jun. 30, 2014 Real estate loans - Residential	Dec. 31, 2013 Real estate loans - Residential	Jun. 30, 2014 Real estate loans - Commercial and farm land
Accounts, Notes, Loans and Financing Receivable [Line Items]
Residential real estate loans held for sale	$ 7,370	$ 5,331
Percentage of troubled debt restructured loans			57.00%