Loans, Troubled Debt Restructurings Subsequent Default (Details) $ in Thousands	12 Months Ended
Dec. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	66	55	66
Recorded Investment \| $	$ 6,959	$ 5,241	$ 3,879
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	3	2
Recorded Investment \| $	$ 0	$ 0	$ 0
Commercial real estate - investor
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	1	0	0
Recorded Investment \| $	$ 461	$ 0	$ 0
Residential mortgage
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	38	20	36
Recorded Investment \| $	$ 5,630	$ 3,553	$ 3,137
Home equity
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	27	32	27
Recorded Investment \| $	$ 868	$ 1,688	$ 735
Other consumer
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	0	1
Recorded Investment \| $	$ 0	$ 0	$ 7

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No definition available.

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Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953682-111524

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