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Capital Stock - Additional Information (Detail) - USD ($)		12 Months Ended
	Nov. 06, 2018	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Apr. 30, 2021
Capital Stock [Line Items]
Common stock repurchased		$ 230,828,000	$ 27,288,000	$ 30,369,000
Share Repurchase Program
Capital Stock [Line Items]
Additional common stock at an aggregate purchase price	$ 250,000,000	$ 225,800,000	$ 22,000,000
Stock repurchase program, term	3 years
Common stock at an aggregate authorized purchase price					$ 500,000,000
Common stock repurchased (shares)		4,134,767	338,521	443,877
Common stock repurchased				$ 20,000,000
Stock repurchase program, remaining authorized repurchase amount		$ 417,600,000

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Capital Stock [Line Items]

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Stock repurchase program additional authorized amount for share repurchase program.

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Amount of stock repurchase plan authorized.

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Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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