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Loans and Allowance for loan losses (Loan modifications classified as TDR's) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) contract	Dec. 31, 2014 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract		0
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	1
Pre-Modification Oustanding Recorded Investment	$ 21
Post-Modifications Outstanding Recorded Investment		$ 21
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | contract	2
Pre-Modification Oustanding Recorded Investment	$ 456
Post-Modifications Outstanding Recorded Investment		$ 456

X

- Definition

Troubled Debt Restructuring Modifications Post Modification Recorded Investment

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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- Definition

Pre-modification amount of investment in financing receivables modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953676-111524

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