Other Real Estate (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Other real estate	$ 101,533,000		$ 101,533,000		$ 112,629,000
Loans foreclosed and transferred to other real estate			25,300,000	53,200,000
Foreclosed real estate expense, net	4,063,000	7,502,000	9,745,000	18,441,000
Write-downs to net realizable value and losses resulting from sales transactions			$ 8,229,000	$ 14,314,000