Allowance for Loan Losses and Credit Quality - Troubled Debt Restructured Loans (Details) $ in Thousands	Mar. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	35	35
Principal Balance \| $	$ 2,181	$ 2,215
Residential real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	29	29
Principal Balance \| $	$ 1,728	$ 1,750
Construction real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	2	2
Principal Balance \| $	$ 75	$ 81
Commercial real estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	3	3
Principal Balance \| $	$ 370	$ 375
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Number of Loans \| loan	1	1
Principal Balance \| $	$ 8	$ 9

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

+ References

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- Definition

Amount of financing receivable modified as troubled debt restructuring.

+ 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=123577603&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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