Loans Loans (Schedule of Restructured Trouble Debt Restructuring By Class) (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018 USD ($) contract	Jun. 30, 2017 USD ($) contract	Jun. 30, 2018 USD ($) contract	Jun. 30, 2017 USD ($) contract
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	7	1	8	5
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 898	$ 206	$ 962	$ 1,087
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 898	$ 206	$ 962	$ 1,087
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	2	0	2	0
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 157	$ 0	$ 157	$ 0
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 157	$ 0	$ 157	$ 0
Non-Jumbo [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| contract	5	1	6	5
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 741	$ 206	$ 805	$ 1,087
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 741	$ 206	$ 805	$ 1,087

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.

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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

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

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