Securities (Details 2) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis	$ 3,399
Less Than 12 Months
Fair Value	169,932	$ 57,332
Unrealized Losses	(3,599)	(163)
More Than 12 Months
Fair Value	99,054	299,536
Unrealized Losses	(716)	(8,026)
Total
Fair Value	268,986	356,868
Unrealized Losses	(4,315)	(8,189)
Mortgage Backed Securities - Residential
Less Than 12 Months
Fair Value	18,372	0
Unrealized Losses	(180)	0
More Than 12 Months
Fair Value	19,957	23,849
Unrealized Losses	(55)	(330)
Total
Fair Value	38,329	23,849
Unrealized Losses	(235)	(330)
Collateralized Mortgage Obligations
Less Than 12 Months
Fair Value	147,188	50,832
Unrealized Losses	(3,318)	(128)
More Than 12 Months
Fair Value	55,710	264,940
Unrealized Losses	(385)	(7,495)
Total
Fair Value	202,898	315,772
Unrealized Losses	(3,703)	(7,623)
State and Municipal Obligations
Less Than 12 Months
Fair Value	4,372	6,500
Unrealized Losses	(101)	(35)
More Than 12 Months
Fair Value	23,387	10,547
Unrealized Losses	(276)	(184)
Total
Fair Value	27,759	17,047
Unrealized Losses	(377)	(219)
Collateralized Debt Obligations
Less Than 12 Months
Fair Value	0	0
Unrealized Losses	0	0
More Than 12 Months
Fair Value	0	200
Unrealized Losses	0	(17)
Total
Fair Value	0	200
Unrealized Losses	$ 0	$ (17)

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