Securities Securities (Summary of Gross Realized Gains and Gross Realized Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Investments, Debt and Equity Securities [Abstract]
Available-for-sale Securities, Gross Realized Gains	$ 236	$ 33	$ 1,310	$ 552
Available-for-sale Securities, Gross Realized Losses	0	0	(10)	0
Gain (Loss) on Sale of Securities, Net	$ 236	$ 33	$ 1,300	$ 552