OREO (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Loans and Leases Receivable, Troubled Debt Restructuring [Line Items]
Mortgage Loans in Process of Foreclosure, Amount	$ 0
Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	6,254	$ 13,554
Additions	3,227	3,257
Valuation adjustments	(17)	(106)
Dispositions	(207)	(1,571)
Ending balance	9,257	$ 15,134
Residential real estate
Real Estate Acquired Through Foreclosure [Roll Forward]
Beginning balance	1,686
Ending balance	$ 4,087

Real Estate Acquired Through Foreclosure, Additions

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- Definition

Real Estate Acquired Through Foreclosure, Disposals

+ References

No definition available.

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- Definition

Real Estate Acquired Through Foreclosure [Roll Forward]

+ References

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- Definition

Real Estate Acquired Through Foreclosure, Valuation Adjustments

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 35
-URI http://asc.fasb.org/extlink&oid=49124121&loc=SL49126937-111524

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- Definition

Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 28
-Article 12

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 04
-Paragraph c
-Subparagraph Schedule III
-Article 5

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