Loans, Loans Modified in a Troubled Debt Restructuring (Details) $ in Thousands	6 Months Ended
Jun. 30, 2016 USD ($) loan	Jun. 30, 2015 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	97	114
Recorded Investment	$ 8,103	$ 14,742
Unpaid Principal Balance	$ 8,527	$ 15,453
Commercial and Industrial Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	11	6
Recorded Investment	$ 2,608	$ 1,847
Unpaid Principal Balance	$ 2,676	$ 2,296
Commercial real estate — owner occupied
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	1	5
Recorded Investment	$ 120	$ 3,506
Unpaid Principal Balance	$ 126	$ 3,636
Commercial real estate — investor
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	1
Recorded Investment	$ 0	$ 2,237
Unpaid Principal Balance	$ 0	$ 2,237
Real estate construction
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	1
Recorded Investment	$ 0	$ 6
Unpaid Principal Balance	$ 0	$ 6
Residential Portfolio Segment [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	48	52
Recorded Investment	$ 3,942	$ 5,249
Unpaid Principal Balance	$ 4,171	$ 5,380
Home Equity Portfolio Segments [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	37	49
Recorded Investment	$ 1,433	$ 1,897
Unpaid Principal Balance	$ 1,554	$ 1,898

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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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