Other Real Estate (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Other Real Estate, Foreclosed Assets, and Repossessed Assets [Abstract]
Other real estate	$ 81,636,000		$ 81,636,000		$ 112,629,000
Loans foreclosed and transferred to other real estate			35,500,000	76,200,000
Foreclosed real estate expense, net	9,074,000	10,359,000	18,818,000	28,800,000
Write-downs to net realizable value and losses resulting from sales transactions			$ 16,734,000	$ 22,714,000