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Stock-Based Compensation - Schedule of Other Equity Instruments (Detail) - Deferred Share Units [Member] - Board of Director [Member] - Equity	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Disclosure of range of exercise prices of outstanding share options [Line Items]
Beginning balance	2,373,000	2,079,000
Issued	206,000	252,000
Reinvested	131,000	126,000
Redeemed	(744,000)	(75,000)
Forfeitures and cancellations	(3,000)	(9,000)
Ending balance	1,963,000	2,373,000

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-IssueDate 2023-01-01
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The number of other equity instruments (ie other than share options) outstanding in a share-based payment arrangement.

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Number of other equity instruments reinvested in share-based payment arrangement.

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