Securities (Details 3) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Available-for-sale, Fair Value
Less Than 12 Months	$ 16,071	$ 146,300
12 Months or More	43,641	10,780
Total	59,712	157,080
Available-for-sale, Unrealized Losses
Less Than 12 Months	(106)	(4,630)
12 Months or More	(875)	(757)
Total	(981)	(5,387)
Agency mortgage-backed securities
Available-for-sale, Fair Value
Less Than 12 Months		87,798
12 Months or More	38,542	8,920
Total	38,542	96,718
Available-for-sale, Unrealized Losses
Less Than 12 Months		(2,869)
12 Months or More	(798)	(596)
Total	(798)	(3,465)
Corporate bonds
Available-for-sale, Fair Value
Less Than 12 Months	16,071	38,092
12 Months or More	5,099	1,860
Total	21,170	39,952
Available-for-sale, Unrealized Losses
Less Than 12 Months	(106)	(1,322)
12 Months or More	(77)	(161)
Total	(183)	(1,483)
Trust preferred securities
Available-for-sale, Fair Value
Less Than 12 Months		20,410
Total		20,410
Available-for-sale, Unrealized Losses
Less Than 12 Months		(439)
Total		$ (439)