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Investments - Investments in Variable Interest Entities (Detail) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Variable Interest Entity [Line Items]    
Maximum Exposure to Loss $ 1,700 $ 1,300
Variable interest entity    
Variable Interest Entity [Line Items]    
Investment 712 674
Maximum Exposure to Loss $ 712 $ 674