Quarterly report [Sections 13 or 15(d)]

Income Taxes - Additional Information (Detail)

v3.25.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2021
Dec. 31, 2020
Income Tax Contingency [Line Items]        
Federal statutory rate 21.00%      
Unrecognized tax benefits $ 3.1 $ 5.2    
Increase in uncertain tax positions due to tax positions $ 57.4      
Subsidiaries [Member]        
Income Tax Contingency [Line Items]        
Income tax examination notice amount     $ 24.4 $ 17.2