Securities (Held to maturity securities losses) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	$ 34,527	$ 49,345
Less than 12 months, Unrealized Losses	(1,141)	(3,827)
12 months or longer, Fair Value	33,131	22,339
12 months or longer, Unrealized Losses	(2,278)	(2,234)
Total, Fair Value	67,658	71,684
Total, Unrealized Losses	(3,419)	(6,061)
Mortgage-Backed Securities
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	2,163	2,170
Less than 12 months, Unrealized Losses	(372)	(319)
12 months or longer, Fair Value	0	834
12 months or longer, Unrealized Losses	0	(2)
Total, Fair Value	2,163	3,004
Total, Unrealized Losses	(372)	(321)
Obligations of States and Political Subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Less than 12 months, Fair Value	32,364	47,175
Less than 12 months, Unrealized Losses	(769)	(3,508)
12 months or longer, Fair Value	33,131	21,505
12 months or longer, Unrealized Losses	(2,278)	(2,232)
Total, Fair Value	65,495	68,680
Total, Unrealized Losses	$ (3,047)	$ (5,740)