Capital Stock - Schedule of Change in Treasury Shares (Detail) - shares shares in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2026	Jun. 30, 2026
Stockholders' Equity Note [Abstract]
Beginning balance	33,915	33,115
Shares repurchased	2,000	2,800
Ending balance	35,915	35,915

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.