Other Real Estate Owned and Property Acquired in Settlement of Loans (Real Estate Owned) (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014 assets	Jun. 30, 2013	Jun. 30, 2014 assets	Jun. 30, 2013
Real Estate Acquired Through Foreclosure [Roll Forward]
Real estate acquired in settlement of loans, beginning of period	$ 24,573,000	$ 46,307,000	$ 28,353,000	$ 62,796,000
Plus: New real estate acquired in settlement of loans	983,000	2,824,000	1,251,000	6,793,000
Less: Sales of real estate acquired in settlement of loans	(3,154,000)	(10,422,000)	(6,928,000)	(30,661,000)
Less: Write-downs and net loss on sales charged to expense	(660,000)	(3,047,000)	(934,000)	(3,266,000)
Real estate acquired in settlement of loans, end of period	21,742,000	35,662,000	21,742,000	35,662,000
Number of assets under contract for sale	18		18
Net carrying value of assets under contract for sale	$ 4,300,000		$ 4,300,000