Securities (Held to Maturity Securities Losses) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair Value
Less than 12 months	$ 11,258	$ 3,172
12 months or longer	20,052	32,163
Total	31,310	35,335
Unrealized Losses
Less than 12 months	(70)	(422)
12 months or longer	(1,734)	(1,190)
Total	(1,804)	(1,612)
Mortgage-backed securities
Fair Value
Less than 12 months	0	0
12 months or longer	1,832	2,761
Total	1,832	2,761
Unrealized Losses
Less than 12 months	0	0
12 months or longer	(945)	(667)
Total	(945)	(667)
Obligations of states and political subdivisions
Fair Value
Less than 12 months	11,258	3,172
12 months or longer	18,220	29,402
Total	29,478	32,574
Unrealized Losses
Less than 12 months	(70)	(422)
12 months or longer	(789)	(523)
Total	$ (859)	$ (945)