Employee Benefit Plans - Supplemental Employee Retirement Plan (SERP) (Details) $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($) officer
Defined Benefit Plan Disclosure [Line Items]
Number of active executive officers under plan	2
Number of former executive officers under plan	1
Term of SERP benefits	20 years
Accrual for benefit obligation for following year \| $	$ 53

Defined Benefit Plan, Number of Active Executive Officers under Plan

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Defined Benefit Plan, Number of Former Executive Officers under Plan

+ References

No definition available.

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- Definition

Defined Benefit Plan, Term of Benefits

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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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Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=123450688&loc=d3e4587-114921

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