Investment Securities (Held-to-maturity Securities) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	$ 44,306	$ 45,728
Gross Unrealized Gains	1,862	757
Gross Unrealized Losses	(25)	(632)
Held-to-maturity investment securities at fair value	46,143	45,853
States and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	3,826	3,831
Gross Unrealized Gains	505	394
Gross Unrealized Losses	0	(4)
Held-to-maturity investment securities at fair value	4,331	4,221
Residential mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	34,678	35,367
Gross Unrealized Gains	1,324	363
Gross Unrealized Losses	(25)	(534)
Held-to-maturity investment securities at fair value	35,977	35,196
Commercial mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Amortized Cost	5,802	6,530
Gross Unrealized Gains	33	0
Gross Unrealized Losses	0	(94)
Held-to-maturity investment securities at fair value	$ 5,835	$ 6,436

Amount of accumulated unrealized gain on investments in debt securities classified as held-to-maturity.

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Amount of accumulated unrealized loss on investments in debt securities classified as held-to-maturity.

+ References

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

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Fair value of investments in debt securities classified as held-to-maturity.

+ References

Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-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 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563

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