Securities (Details 1) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	$ 647,658	$ 553,770
Gross Unrealized Gains, Available for Sale	8,692	10,280
Gross Unrealized Losses, Available for Sale	(9,545)	(10,466)
Fair Value	646,805	553,584
Trust preferred securities
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	24,770	26,400
Gross Unrealized Gains, Available for Sale	0	137
Gross Unrealized Losses, Available for Sale	(5,301)	(6,781)
Fair Value	19,469	19,756
Other debt securities
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	18,899	17,517
Gross Unrealized Gains, Available for Sale	468	487
Gross Unrealized Losses, Available for Sale	(34)	(74)
Fair Value	19,333	17,930
Other equity securities
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	2,500	2,331
Gross Unrealized Gains, Available for Sale	1,840	1,268
Gross Unrealized Losses, Available for Sale	0	0
Fair Value	4,340	3,599
Obligations of other U.S. Government agencies and corporations
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	6,093	6,119
Gross Unrealized Gains, Available for Sale	126	147
Gross Unrealized Losses, Available for Sale	(19)	(119)
Fair Value	6,200	6,147
Government agency mortgage backed securities \| Residential mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	362,669	292,283
Gross Unrealized Gains, Available for Sale	3,649	4,908
Gross Unrealized Losses, Available for Sale	(1,778)	(832)
Fair Value	364,540	296,359
Government agency mortgage backed securities \| Commercial mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	58,864	45,714
Gross Unrealized Gains, Available for Sale	1,002	1,608
Gross Unrealized Losses, Available for Sale	(107)	(137)
Fair Value	59,759	47,185
Government agency collateralized mortgage obligations \| Residential mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	168,916	158,436
Gross Unrealized Gains, Available for Sale	1,449	1,523
Gross Unrealized Losses, Available for Sale	(2,305)	(2,523)
Fair Value	168,060	157,436
Government agency collateralized mortgage obligations \| Commercial mortgage backed securities:
Amortized cost and fair value of securities available for sale
Amortized Cost, Available for Sale	4,947	4,970
Gross Unrealized Gains, Available for Sale	158	202
Gross Unrealized Losses, Available for Sale	(1)	0
Fair Value	$ 5,104	$ 5,172

This item represents the cost of debt securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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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
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=49167202&loc=d3e26610-111562

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