Loans - Nonaccrual Loans and Loans Past Due over 90 Days Still Accruing Interest by Class of Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	$ 17,450	$ 17,239
Past Due Over 90 Days Still on Accrual	866	890
Commercial, industrial, and agricultural
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	3,414	2,839
Past Due Over 90 Days Still on Accrual	529	489
Commercial mortgages
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	7,724	7,694
Past Due Over 90 Days Still on Accrual	0	53
Residential real estate
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	5,821	6,023
Past Due Over 90 Days Still on Accrual	285	299
Consumer
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	491	683
Past Due Over 90 Days Still on Accrual	24	44
Credit Cards
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual	0	0
Past Due Over 90 Days Still on Accrual	$ 28	$ 5

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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