Securities Available-For-Sale (Details) - Unrealized gains on investment securities - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Securities available-for-sale
Securities available-for-sale, Amortized Cost	$ 401,447	$ 351,928
Securities available-for-sale, Gross Unrealized Gains	3,931	4,645
Securities available-for-sale, Gross Unrealized Losses	(3,248)	(3,283)
Securities available-for-sale, Fair Value	402,130	353,290
Federal Agency Obligations [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	59,509	52,826
Securities available-for-sale, Gross Unrealized Gains	317	282
Securities available-for-sale, Gross Unrealized Losses	(181)	(271)
Securities available-for-sale, Fair Value	59,645	52,837
Residential mortgage pass-through securities [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	140,963	72,922
Securities available-for-sale, Gross Unrealized Gains	635	519
Securities available-for-sale, Gross Unrealized Losses	(1,198)	(944)
Securities available-for-sale, Fair Value	140,400	72,497
Commercial mortgage pass-through securities [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	4,120	4,186
Securities available-for-sale, Gross Unrealized Gains	53	23
Securities available-for-sale, Gross Unrealized Losses
Securities available-for-sale, Fair Value	4,173	4,209
Obligations of U.S. states and political subdivisions [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	135,181	148,747
Securities available-for-sale, Gross Unrealized Gains	2,309	2,789
Securities available-for-sale, Gross Unrealized Losses	(1,136)	(931)
Securities available-for-sale, Fair Value	136,354	150,605
Trust Preferred Securities [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	4,576	5,575
Securities available-for-sale, Gross Unrealized Gains	83	242
Securities available-for-sale, Gross Unrealized Losses	(73)	(151)
Securities available-for-sale, Fair Value	4,586	5,666
Corporate Bonds And Notes [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	30,352	36,717
Securities available-for-sale, Gross Unrealized Gains	252	586
Securities available-for-sale, Gross Unrealized Losses	(316)	(375)
Securities available-for-sale, Fair Value	30,288	36,928
Asset-backed Securities [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	13,293	14,867
Securities available-for-sale, Gross Unrealized Gains	48	2
Securities available-for-sale, Gross Unrealized Losses	(60)	(286)
Securities available-for-sale, Fair Value	13,281	14,583
Certificates of Deposit [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	622	973
Securities available-for-sale, Gross Unrealized Gains	7	10
Securities available-for-sale, Gross Unrealized Losses
Securities available-for-sale, Fair Value	629	983
Equity Securities [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	377	376
Securities available-for-sale, Gross Unrealized Gains	227	192
Securities available-for-sale, Gross Unrealized Losses
Securities available-for-sale, Fair Value	604	568
Other Securities [Member]
Securities available-for-sale
Securities available-for-sale, Amortized Cost	12,454	14,739
Securities available-for-sale, Gross Unrealized Gains
Securities available-for-sale, Gross Unrealized Losses	(284)	(325)
Securities available-for-sale, Fair Value	$ 12,170	$ 14,414

Available for sale securities gross unrealized gain accumulated in investments.

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Available for sale securities gross unrealized loss accumulated in investments.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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