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Troubled Debt Restructurings (Narrative) (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2016 USD ($) contract	Mar. 31, 2015 contract	Dec. 31, 2015 USD ($) contract
Financing Receivable, Modifications [Line Items]
Number of troubled debt restructured loans	26		24
Loan is considered payment default	30 days
Financing Receivable, Modifications, Nonaccrual, Number of Contracts	3		2
Financing Receivable, Modifications, Nonaccrual, Recorded Investment | $	$ 1,242		$ 500
Troubled Debt Restructuring Modifications Number Of Contracts	2	0
Total troubled debt restructured loans | $	$ 8,100		$ 7,500
Residential Single Family [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructuring Modifications Number Of Contracts	1
Troubled Debt Restructuring Modifications Amortization Period Number of Contracts	1
Commercial Real Estate Non-Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Troubled Debt Restructuring Modifications Number Of Contracts	1
Troubled Debt Restructuring Modifications Amortization Period Number of Contracts	1

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Number of financing receiviable modified loans that are in nonaccrual

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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=49124121&loc=SL6953676-111524

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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