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Interim Financial Statements (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 05, 2025
Oct. 31, 2023
Dividends payable, amount per share     $ 0.125  
Purchase of treasury shares (in shares) 330,441      
Purchase of treasury shares $ 13,814 $ 25,756    
Class A Common Stock [Member] | 2023 Share Repurchase Program [Member]        
Stock repurchase program, authorized amount       $ 250,000