Loans, Loans Modified in a Troubled Debt Restructuring (Details) $ in Thousands	3 Months Ended
Mar. 31, 2019 USD ($) loan	Mar. 31, 2018 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	40	33
Recorded Investment	$ 4,739	$ 3,958
Unpaid Principal Balance	$ 4,776	$ 4,007
Commercial and industrial
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	2
Recorded Investment	$ 0	$ 92
Unpaid Principal Balance	$ 0	$ 92
Commercial real estate — owner occupied
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	1	0
Recorded Investment	$ 78	$ 0
Unpaid Principal Balance	$ 78	$ 0
Commercial real estate — investor
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	0	1
Recorded Investment	$ 0	$ 1,007
Unpaid Principal Balance	$ 0	$ 1,037
Residential mortgage
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	25	11
Recorded Investment	$ 4,357	$ 1,807
Unpaid Principal Balance	$ 4,374	$ 1,807
Home equity
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	13	17
Recorded Investment	$ 293	$ 1,044
Unpaid Principal Balance	$ 312	$ 1,060
Other consumer
Financing Receivable, Modifications [Line Items]
Number of Loans \| loan	1	2
Recorded Investment	$ 11	$ 8
Unpaid Principal Balance	$ 11	$ 11

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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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