Employee Savings and Stock Purchase Plans, Collective Bargaining Agreements and Executive Benefit Agreement - Life Insurance Policies (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Compensation Related Costs [Abstract]
Total face value of life insurance policies	$ 1,500	$ 4,500
Total cash surrender values of life insurance policies	1,936	1,863
Loans on cash surrender values	(1,642)	(1,642)
Net cash surrender values	$ 294	$ 221

Net carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

No definition available.

+ Details

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- Definition

Carrying amount as of the balance sheet date of amounts of loans borrowed against the cash surrender value of life insurance policies.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Carrying amount as of the balance sheet date of amounts which could be received based on the terms of the insurance contract upon surrendering life policies owned by the entity.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Name:	us-gaap_CashSurrenderValueOfLifeInsurance
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

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- Definition

This item represents the amount that could be realized under a life insurance contract or contracts owned by the Entity as of the date of the statement of financial position. Such Entity-owned life insurance policies are commonly known as corporate-owned life insurance (COLI) or bank-owned life insurance (BOLI).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 325
-SubTopic 30
-Section 25
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=6384206&loc=d3e41899-111602

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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Balance Type:	debit
Period Type:	instant