Share based compensation arrangement by share based payment award equity instruments other than options target.

No definition available.

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- Definition

Share based compensation arrangement by share based payment award equity instruments other than options target threshold.

+ References

No definition available.

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- Definition

Amount, after tax, of expense for award under share-based payment arrangement.

+ References

No definition available.

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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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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Amount of cash inflow from exercise of option under share-based payment arrangement.

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- Definition

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.

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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

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-Publisher FASB
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- Definition

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

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.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Description of terms of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP).

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Stock-Based Compensation Plans and Employee Benefits - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Class Of Stock [Line Items]
Share-based payments award, number of shares available for grant		1,800,000
Common shares issued		100,000	100,000
Black-Scholes Option Pricing Model [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, shares granted		0	0	0	0
Stock options [Member]
Class Of Stock [Line Items]
Contractual term of stock options, Maximum		10 years
Cash received for exercise price				$ 0.1
RSUs [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, shares granted		400,000	500,000	300,000
Restricted Stock [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, shares granted		405,000
Weighted-average fair value of the restricted stock		$ 13.12
Total unrecognized compensation cost granted		$ 9.7
Term of recognition of unrecognized stock option compensation cost		1 year 7 months 6 days
Restricted Stock [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Vesting period		3 years
Weighted-average fair value of the restricted stock		$ 7.87
Restricted Stock [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Vesting period		4 years
Weighted-average fair value of the restricted stock		$ 22.47
Performance-Based Restricted Share Units (PRSUs) [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, shares granted			0	0
Common shares issued	570,295		257,168
Performance-based restricted share units, description		In 2021, the Board of Directors approved grants to the chief executive officer and the chief financial officer, and in 2020, 2019 and 2018, the Board of Directors approved grants to the chief executive officer of PRSUs covering a “target” number of shares, subject to three-year performance periods beginning on March 1, 2021, March 1, 2020, March 1, 2019 and March 1, 2018, and ending on February 28, 2024, February 28, 2023, February 28, 2022 and February 28, 2021, respectively. In addition, in 2020 the Board of Directors approved grants to the chief financial officer covering a “target” number of shares, subject to one-year, two-year and three-year performance periods beginning on March 1, 2020. In 2017, the Board of Directors approved grants to the chief executive officer and the former chief operating officer of PRSUs covering a “target” number of shares, subject to one-year, two-year and three-year performance periods beginning on March 1, 2017.
Performance-based restricted share units, fair value equity and liability awards		$ 3.3	$ 4.5	$ 5.6
Share based compensation arrangement by share based payment award, mark to market adjustment		$ 5.6	$ (0.7)	$ 1.9
Performance-Based Restricted Share Units (PRSUs) [Member] \| Minimum [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, target		0.00%
Performance-Based Restricted Share Units (PRSUs) [Member] \| Maximum [Member]
Class Of Stock [Line Items]
Share-based compensation arrangement by share-based payment award, target threshold		200.00%