Quarterly report [Sections 13 or 15(d)]

Related Parties (Details)

v3.25.2
Related Parties (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
segregatedAccount
investor
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Related Party Transaction [Line Items]          
Related party transaction, investors who are unitholders and directors (in investors) | investor     2    
Other current assets $ 80,694   $ 80,694   $ 109,951
Revenues earned from related party 840,857 $ 680,248 $ 1,516,985 $ 1,218,135  
Ryan Re Services Agreements, Service Fee          
Related Party Transaction [Line Items]          
Related party transaction, rate     115.00%    
Ryan Re Services Agreements, Expenses          
Related Party Transaction [Line Items]          
Related party transaction amounts $ 2,700 2,900 $ 5,400 5,200  
Geneva Ryan Holdings, LLC          
Related Party Transaction [Line Items]          
Equity ownership 53.00%   53.00%    
Ryan Investment Holdings, LLC          
Related Party Transaction [Line Items]          
Equity ownership 50.00%   50.00%    
Nationwide Mutual Insurance Company          
Related Party Transaction [Line Items]          
Equity ownership 50.00%   50.00%    
GR Bermuda SAC Ltd          
Related Party Transaction [Line Items]          
Number of segregated accounts | segregatedAccount     1    
Related Party          
Related Party Transaction [Line Items]          
Revenues earned from related party $ 400 400 $ 800 800  
Expense related to business usage of aircraft 100 $ 400 200 $ 800  
Related Party | Service Agreement          
Related Party Transaction [Line Items]          
Other current assets 300   300   300
Related Party | Ryan Re Services Agreements          
Related Party Transaction [Line Items]          
Other current assets 800   800   700
Related Party | Ryan Re Services Agreements, Prepaid Expenses          
Related Party Transaction [Line Items]          
Other current assets $ 800   $ 800   $ 5,200
Related Party | Ryan Investment Holdings, LLC          
Related Party Transaction [Line Items]          
Equity method investment, ownership percentage 47.00%   47.00%    
Invested capital in equity method investment $ 47,000   $ 47,000