Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 370,101	$ 394,317
Gross Unrealized Gains	8,945	3,958
Gross Unrealized Losses	(614)	(3,963)
Fair Value	378,432	394,312
Corporate bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,240	1,134
Gross Unrealized Gains	20	5
Gross Unrealized Losses	0	(5)
Fair Value	1,260	1,134
Small Business Administration
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	18,505	19,755
Gross Unrealized Gains	100	1
Gross Unrealized Losses	(34)	(457)
Fair Value	18,571	19,299
U.S. Treasury and U.S. government sponsored entities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	6,323	11,120
Gross Unrealized Gains	111	38
Gross Unrealized Losses	(1)	(52)
Fair Value	6,433	11,106
State and political subdivisions
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	138,751	136,781
Gross Unrealized Gains	4,972	2,354
Gross Unrealized Losses	(14)	(412)
Fair Value	143,709	138,723
Mortgage-backed securities - residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	181,730	197,289
Gross Unrealized Gains	3,514	1,433
Gross Unrealized Losses	(302)	(2,135)
Fair Value	184,942	196,587
Collateralized mortgage obligations - residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	23,413	28,035
Gross Unrealized Gains	109	0
Gross Unrealized Losses	(259)	(870)
Fair Value	23,263	27,165
Equity securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	139	203
Gross Unrealized Gains	119	127
Gross Unrealized Losses	(4)	(32)
Fair Value	$ 254	$ 298

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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