Other Real Estate Owned and Property Acquired in Settlement of Loans (Real Estate Owned) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) assets	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) assets	Jun. 30, 2014 USD ($)
Real Estate Acquired Through Foreclosure [Roll Forward]
Real estate acquired in settlement of loans, beginning of period	$ 20,833	$ 24,573	$ 20,122	$ 28,353
Plus: New real estate acquired in settlement of loans	938	983	3,433	1,251
Less: Sales of real estate acquired in settlement of loans	(1,663)	(3,154)	(3,153)	(6,928)
Less: Write-downs and net loss on sales charged to expense	(391)	(660)	(685)	(934)
Real estate acquired in settlement of loans, end of period	$ 19,717	$ 21,742	$ 19,717	$ 21,742
Number of assets under contract for sale | assets	6		6
Net carrying value of assets under contract for sale	$ 1,100		$ 1,100
Mortgage loans collateralized by residential real estate properties that are in the process of foreclosure	600		600
Real estate - mortgage, 1-4 family residential [Member]
Real Estate Acquired Through Foreclosure [Roll Forward]
Real estate acquired in settlement of loans, end of period	$ 3,500		$ 3,500