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Investments - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Schedule of Investments [Line Items]      
Equity method investments $ 39,075,000 $ 38,122,000  
Gains (losses) on equity method investments 8,430,000 9,152,000 $ 10,920,000
Impairment charge on equity method investments 0 0 0
Equity method investment, amount sold 0 0 0
Investments carried under measurement alternative 192,000 192,000  
Equity investments carried under measurement alternative, loss 0 0 0
Equity investments carried under measurement alternative, gain 0 0 0
Impairments related to investments 0 0 0
Total assets 3,591,967,000 3,175,937,000  
Liabilities 2,512,728,000 2,277,781,000  
Maximum Exposure to Loss 1,300,000 5,700,000  
Variable Interest Entity, Primary Beneficiary      
Schedule of Investments [Line Items]      
Total assets 5,300,000 9,500,000  
Liabilities 1,200,000 1,200,000  
Other Nonoperating Income (Expense)      
Schedule of Investments [Line Items]      
Equity investments carried under measurement alternative, gain $ 37,200,000 $ 1,900,000 $ 1,800,000