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Stockholders' Equity ( Share Repurchases ) - Additional Information (Detail) - Common Stock [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Mar. 31, 2021
Stockholders Equity [Line Items]          
Aggregate share repurchased 0 0 0 0  
Share Purchase Program [Member]          
Stockholders Equity [Line Items]          
Share repurchase program, authorised         $ 40