Loans Loans (Analysis of Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2017 USD ($) Modifications	Mar. 31, 2016 USD ($) Modifications	Dec. 31, 2016 USD ($)
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Additional Commitment To Lend	$ 451		$ 508
Loans, Excluding Purchased Credit Impaired Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	13	8
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,902	$ 2,117
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,902	$ 2,117
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Secured Loans [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	3	3
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 356	$ 1,370
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 356	$ 1,370
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Owner Occupied [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	0	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 0	$ 250
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 0	$ 250
Loans, Excluding Purchased Credit Impaired Loans [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Number of Contracts \| Modifications	10	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 1,546	$ 497
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,546	$ 497

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+ References

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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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