Stock-Based Compensation Plans - Restricted Stock and Restricted Stock Units and Performance Awards Outstanding (Detail) - $ / shares	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Restricted Stock Equity Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	1,736,688
Granted	1,608,170	1,400,000
Vested	(955,354)
Forfeited	(25,090)
Outstanding, Ending Balance	2,364,414
Outstanding, Beginning Balance, weighted average grant date fair value	$ 14.44
Granted, weighted average grant date fair value	25.01	$ 18.50
Vested and issued, weighted average grant date fair value	16.49
Forfeited, weighted average grant date fair value	17.64
Outstanding, Ending Balance, weighted average grant date fair value	$ 20.77
Restricted Stock Liability Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	379,633
Granted	18,732
Vested	(193,483)
Forfeited	0
Outstanding, Ending Balance	204,882
Outstanding, Beginning Balance, weighted average grant date fair value	$ 14.71
Granted, weighted average grant date fair value	24.86
Vested and issued, weighted average grant date fair value	14.20
Forfeited, weighted average grant date fair value	0
Outstanding, Ending Balance, weighted average grant date fair value	$ 16.11
Stock-Based Performance Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Outstanding, Beginning Balance	1,950,632
Granted	145,747
Vested	(1,158,797)
Forfeited	0
Outstanding, Ending Balance	937,582
Outstanding, Beginning Balance, weighted average grant date fair value	$ 9.02
Granted, weighted average grant date fair value	26.86
Vested and issued, weighted average grant date fair value	4.80
Forfeited, weighted average grant date fair value	0
Outstanding, Ending Balance, weighted average grant date fair value	$ 17.01

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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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).

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The weighted average fair value at grant date for nonvested equity-based awards issued 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).

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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

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- Definition

Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

+ 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)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

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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.

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No definition available.

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