Securities (Held to maturity securities losses) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	$ 26,655	$ 3,172
Less than 12 months, Unrealized Losses	(466)	(422)
12 months or longer, Fair Value	19,238	32,163
12 months or longer, Unrealized Losses	(1,887)	(1,190)
Total, Fair Value	45,893	35,335
Total, Unrealized Losses	(2,353)	(1,612)
Mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	0	0
Less than 12 months, Unrealized Losses	0	0
12 months or longer, Fair Value	1,914	2,761
12 months or longer, Unrealized Losses	(816)	(667)
Total, Fair Value	1,914	2,761
Total, Unrealized Losses	(816)	(667)
Obligations of states and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	26,655	3,172
Less than 12 months, Unrealized Losses	(466)	(422)
12 months or longer, Fair Value	17,324	29,402
12 months or longer, Unrealized Losses	(1,071)	(523)
Total, Fair Value	43,979	32,574
Total, Unrealized Losses	$ (1,537)	$ (945)