Goodwill And Intangible Assets - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill	$ 4,536,000	$ 4,536,000
Identifiable intangible asset	$ 117,000
Weighted average remaining amortization period of intangible asset	4 years 2 months 12 days
Branches [Member]
Business Acquisition [Line Items]
Goodwill acquired	$ 3,800,000
Fitzgibbons Agency [Member]
Business Acquisition [Line Items]
Goodwill acquired	$ 696,000

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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