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Investment in Other Affiliates (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2022
Investments in and Advances to Affiliates, Schedule of Investments [Abstract]    
Investments in and Advances to Affiliates, at Fair Value $ 23.0 $ 50.3
Impairment $ 7.7