Securities (Details 2) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis	$ 5,805
Less Than 12 Months
Fair Value	36,222	$ 234,426
Unrealized Losses	(2,003)	(2,002)
More Than 12 Months
Fair Value	81,044	154,246
Unrealized Losses	(654)	(4,717)
Total
Fair Value	117,266	388,672
Unrealized Losses	(2,657)	(6,719)
US Government Agencies Debt Securities [Member]
Less Than 12 Months
Fair Value		9,455
Unrealized Losses		(23)
More Than 12 Months
Fair Value		0
Unrealized Losses		0
Total
Fair Value		9,455
Unrealized Losses		(23)
Mortgage Backed Securities - Residential
Less Than 12 Months
Fair Value	9,803	69,940
Unrealized Losses	(11)	(428)
More Than 12 Months
Fair Value	154	11,766
Unrealized Losses	(1)	(202)
Total
Fair Value	9,957	81,706
Unrealized Losses	(12)	(630)
Collateralized Mortgage Obligations
Less Than 12 Months
Fair Value	11,433	151,484
Unrealized Losses	(41)	(1,535)
More Than 12 Months
Fair Value	80,890	139,435
Unrealized Losses	(653)	(4,472)
Total
Fair Value	92,323	290,919
Unrealized Losses	(694)	(6,007)
State and Municipal Obligations
Less Than 12 Months
Fair Value	7,987	3,547
Unrealized Losses	(71)	(16)
More Than 12 Months
Fair Value	0	3,045
Unrealized Losses	0	(43)
Total
Fair Value	7,987	6,592
Unrealized Losses	(71)	$ (59)
Collateralized Debt Obligations
Less Than 12 Months
Fair Value	6,999
Unrealized Losses	(1,880)
More Than 12 Months
Fair Value	0
Unrealized Losses	0
Total
Fair Value	6,999
Unrealized Losses	$ (1,880)

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