v3.25.2
Investments - Summary of Unaudited Financial Information and Unaudited Financial Position of Limited Partnerships (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Schedule Of Equity Method Investments [Line Items]          
Total income $ 221,920 $ 206,245 $ 438,353 $ 412,859  
Net income 70,279 57,099 144,509 114,055  
Balance sheet:          
Total assets 2,353,106   2,353,106   $ 2,230,213
Total liabilities 1,566,017   1,566,017   1,761,172
Limited Partnership [Member]          
Schedule Of Equity Method Investments [Line Items]          
Total income [1] (26,927) 16,173 (35,300) 19,239  
Total expenses (14,636) (17,675) (30,851) (43,276)  
Net income (41,563) $ (1,502) (66,151) $ (24,037)  
Balance sheet:          
Total assets 3,997,540   3,997,540   4,118,765
Total liabilities $ 195,373   $ 195,373   $ 157,420
[1] Includes net change in unrealized gains or losses on investments.