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- Definition

Share based compensation arrangement by share based payment award contractual term.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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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.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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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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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

Date the equity-based award expires, in YYYY-MM-DD format.

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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

Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Equity Incentive Plans - Additional Information (Detail) - USD ($)		12 Months Ended
	May 27, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	May 31, 2014
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Securities remaining available for future issuance		9,700,000
Stock options granted (in shares)		0	0	0
Employee Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted (in shares)		0	0	0
Share-based compensation expenses		$ 0	$ 0
Employee Stock Options \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		1 year
Employee Stock Options \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		4 years
Restricted Stock And Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Performance-based restricted stock and restricted stock units, eliminated minimum vesting period under amended 2004 plan		3 years
Share-based compensation expenses		$ 9,600,000	5,100,000	$ 4,400,000
Total unrecognized compensation expense related to grants of restricted stock and restricted stock units		$ 14,300,000
Weighted average period for unrecognized compensation expense related to grants of stock options		1 year 10 months 24 days
Shares vested related to grants of restricted stock and restricted stock units		$ 8,700,000	$ 5,500,000	$ 5,000,000.0
2000 Plan \| Employee Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Contractual term of stock options		10 years
2000 Plan \| Employee Stock Options \| Minimum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		4 years
2000 Plan \| Employee Stock Options \| Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting period		5 years
2000 Plan \| Class A common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares authorized under 2000 plan and 2004 plan		11,500,000
2004 Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation award extended expiration date		May 29, 2024
2004 Plan \| Employee Stock Options
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Contractual term of stock options		10 years
Vesting period		4 years
2004 Plan \| Class A common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares authorized under 2000 plan and 2004 plan	18,000,000				10,000,000
Number of additional shares authorized under the plan	8,000,000