Loans and Allowance for Credit Losses TDRs by Class Segment (Details) $ in Thousands	9 Months Ended
Sep. 30, 2016 USD ($) loans	Sep. 30, 2015 USD ($) loans
Financing Receivable, Modifications [Line Items]
Number of Loans \| loans	45	21
Recorded Investment \| $	$ 6,045	$ 5,047
Real-estate - home equity [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loans	29	9
Recorded Investment \| $	$ 1,902	$ 459
Real-estate - residential mortgage [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loans	7	4
Recorded Investment \| $	$ 1,395	$ 500
Commercial - Secured [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loans	6	6
Recorded Investment \| $	$ 2,593	$ 3,855
Real-estate commercial mortage [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loans	2	2
Recorded Investment \| $	$ 129	$ 233
Commercial - unsecured [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loans	1	0
Recorded Investment \| $	$ 26	$ 0

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953682-111524

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- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

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