Loans Loans (Schedule of Restructured Trouble Debt Restructuring By Class) (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017 USD ($) contract	Sep. 30, 2016 USD ($) contract	Sep. 30, 2017 USD ($) contract	Sep. 30, 2016 USD ($) contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	3	1	8	5
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,888	$ 307	$ 3,974	$ 704
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,888	$ 307	$ 3,974	$ 704
Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 2,302	$ 0	$ 2,302	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 2,302	$ 0	$ 2,302	$ 0
Non-Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 148	$ 0	$ 148	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 148	$ 0	$ 148	$ 0
Land and Land Improvements [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	1	0	1	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 438	$ 0	$ 438	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 438	$ 0	$ 438	$ 0
Non-Jumbo [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	0	1	5	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 307	$ 1,086	$ 702
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 307	$ 1,086	$ 702
Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract			0	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment			$ 0	$ 2
Financing Receivable, Modifications, Post-Modification Recorded Investment			$ 0	$ 2

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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=66008989&loc=SL6953676-111524

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