Shared-Based Compensation - Additional Information (Detail) shares in Thousands, $ in Millions	9 Months Ended
Sep. 30, 2023 USD ($) shares
Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units issued (in shares)	3,711
Total grant-date fair value of restricted stock, vested \| $	$ 4.1
Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units issued (in shares)	3,621
Total grant-date fair value of restricted stock, vested \| $	$ 0.3
Employees \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards granted vesting period	3 years
Stock units issued (in shares)	1,881
Employees \| Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock units issued (in shares)	561
Non-executive Directors \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards granted vesting period	1 year
Chief Executive Officer \| Restricted stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards granted vesting period	5 years
Stock units issued (in shares)	1,830
Chief Executive Officer \| Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards granted vesting period	5 years
Stock units issued (in shares)	3,060

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(iii)(01)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(2)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- 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.

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