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Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	$ 389,654	$ 374,343
Gross Unrealized Gains	4,460	2,263
Gross Unrealized Losses	(2,486)	(6,611)
Fair Value	391,628	369,995
Corporate bonds
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	1,238	1,343
Gross Unrealized Gains	7	4
Gross Unrealized Losses	(4)	(8)
Fair Value	1,241	1,339
Small Business Administration
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	15,825	17,236
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(274)	(530)
Fair Value	15,551	16,706
U.S. Treasury and U.S. government sponsored entities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	5,467	5,970
Gross Unrealized Gains	14	5
Gross Unrealized Losses	(20)	(54)
Fair Value	5,461	5,921
State and political subdivisions
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	175,801	157,014
Gross Unrealized Gains	3,101	1,049
Gross Unrealized Losses	(734)	(2,760)
Fair Value	178,168	155,303
Mortgage-backed securities - residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	171,498	171,215
Gross Unrealized Gains	1,153	1,019
Gross Unrealized Losses	(895)	(2,552)
Fair Value	171,756	169,682
Collateralized mortgage obligations - residential
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	19,652	21,397
Gross Unrealized Gains	3	1
Gross Unrealized Losses	(558)	(705)
Fair Value	19,097	20,693
Equity securities
Schedule Of Available For Sale Securities [Line Items]
Amortized Cost	173	168
Gross Unrealized Gains	182	185
Gross Unrealized Losses	(1)	(2)
Fair Value	$ 354	$ 351

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

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-Publisher FASB
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