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Investments - Investments in Variable Interest Entities (Detail) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Variable Interest Entity [Line Items]    
Maximum Exposure to Loss $ 2,300 $ 1,300
Variable interest entity    
Variable Interest Entity [Line Items]    
Investment 990 674
Maximum Exposure to Loss $ 990 $ 674