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Fair Value (Financial instruments Measured at Fair Value) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015	Mar. 31, 2015
Securities available for sale:
Securities available for sale	$ 247,140	$ 165,614	$ 172,319
Fair Value [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Securities available for sale	$ 247,140	$ 165,614
Recurring [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member]
Securities available for sale:
Government-sponsored enterprise securities
Mortgage-backed securities
Corporate bonds
Equity securities
Securities available for sale
Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Government-sponsored enterprise securities	$ 38,636	$ 18,972
Mortgage-backed securities	174,579	121,553
Corporate bonds	33,798	24,946
Equity securities	127	143
Securities available for sale	$ 247,140	$ 165,614
Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale:
Government-sponsored enterprise securities
Mortgage-backed securities
Corporate bonds
Equity securities
Securities available for sale
Recurring [Member] | Fair Value [Member]
Securities available for sale:
Government-sponsored enterprise securities	$ 38,636	$ 18,972
Mortgage-backed securities	174,579	121,553
Corporate bonds	33,798	24,946
Equity securities	127	143
Securities available for sale	$ 247,140	$ 165,614
Nonrecurring [Member] | Quoted Prices in Market for Identical Assets (Level 1) [Member]
Securities available for sale:
Impaired loans - covered
Impaired loans - non-covered
Other real estate - covered
Other real estate - non-covered
Nonrecurring [Member] | Fair Value, Inputs, Level 2 [Member]
Securities available for sale:
Impaired loans - covered
Impaired loans - non-covered
Other real estate - covered
Other real estate - non-covered
Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Securities available for sale:
Impaired loans - covered	$ 2,093	$ 2,588
Impaired loans - non-covered	18,478	18,057
Other real estate - covered	1,569	806
Other real estate - non-covered	8,767	9,188
Nonrecurring [Member] | Fair Value [Member]
Securities available for sale:
Impaired loans - covered	2,093	2,588
Impaired loans - non-covered	18,478	18,057
Other real estate - covered	1,569	806
Other real estate - non-covered	$ 8,767	$ 9,188

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+ 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)
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Fair value of securitized, pay-through debt securities collateralized by real estate mortgage loans classified as available-for-sale.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Mortgage-Backed Securities
-URI http://asc.fasb.org/extlink&oid=6517959

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