Loans - Troubled Debt Restructurings on Financing Receivables (Details) - TDRs [Member] $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) Loan	Mar. 31, 2019 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	9	6
Troubled Debt Restructurings, Recorded Investment \| $	$ 653	$ 514
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	2	3
Troubled Debt Restructurings, Recorded Investment \| $	$ 378	$ 473
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	1
Troubled Debt Restructurings, Recorded Investment \| $	$ 93
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	1	1
Troubled Debt Restructurings, Recorded Investment \| $	$ 26	$ 20
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	5	1
Troubled Debt Restructurings, Recorded Investment \| $	$ 156	$ 14
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan		1
Troubled Debt Restructurings, Recorded Investment \| $		$ 7

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No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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- Definition

Amount, after troubled debt restructuring, of modified financing receivable.

+ References

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