Loans - Troubled Debt Restructurings on Financing Receivables (Details) - TDRs [Member] $ in Thousands	12 Months Ended
Dec. 31, 2020 USD ($) Loan	Dec. 31, 2019 USD ($) Loan	Dec. 31, 2018 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	26	20	56
Troubled Debt Restructurings, Recorded Investment \| $	$ 16,290	$ 2,295	$ 5,910
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	7	12	22
Troubled Debt Restructurings, Recorded Investment \| $	$ 892	$ 1,332	$ 1,169
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	6	2	13
Troubled Debt Restructurings, Recorded Investment \| $	$ 7,760	$ 621	$ 1,681
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	4	1	7
Troubled Debt Restructurings, Recorded Investment \| $	$ 92	$ 25	$ 89
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan	9	5	6
Troubled Debt Restructurings, Recorded Investment \| $	$ 7,546	$ 317	$ 2,942
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Troubled Debt Restructurings, Number of Loans \| Loan			8
Troubled Debt Restructurings, Recorded Investment \| $			$ 29

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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=121611835&loc=SL6953676-111524

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

+ References

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