Minimum percentage of employee gross pay the employee may contribute to a defined contribution plan.

No definition available.

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Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ 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 (a)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of contribution received by defined benefit plan from employer which increases plan assets.

+ References

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

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

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Maximum amount the employee may contribute to a defined contribution plan.

+ References

No definition available.

+ Details

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Balance Type:
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- Details

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Data Type:	na
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Period Type:

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Employee Benefit Plans - Additional Information (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Contribution Plan Disclosure [Line Items]
Minimum percentage of employee contribution to defined contribution plan	1.00%
Amount of employee contribution to defined contribution plan	$ 19,500
Employer matching contributions to defined contribution plan	0	$ 0
Employee Age Fifty and Above [Member]
Defined Contribution Plan Disclosure [Line Items]
Amount of employee contribution to defined contribution plan	26,000
Supplemental Employee Retirement Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Benefit obligations in excess of the fair value of plan assets	10,187,817	10,805,326	$ 9,723,866
Contributions to the plan	491,622	544,261
Other Noncurrent Liabilities [Member] \| Supplemental Employee Retirement Plan [Member]
Defined Contribution Plan Disclosure [Line Items]
Benefit obligations in excess of the fair value of plan assets	$ 10,200,000	$ 10,800,000