v3.25.4
Debt Obligations - Schedule of Long-term Debt Instruments (Details)
1 Months Ended 12 Months Ended
Mar. 04, 2024
USD ($)
Apr. 14, 2023
USD ($)
Apr. 30, 2025
USD ($)
Aug. 31, 2014
USD ($)
creditFacility
Dec. 31, 2025
USD ($)
Aug. 14, 2025
USD ($)
Jun. 30, 2025
USD ($)
May 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Mar. 05, 2024
USD ($)
Line of Credit                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount         $ 3,830,000,000          
Secured Debt                    
Debt Instrument, Redemption [Line Items]                    
Carrying Value         1,722,547,000       $ 1,281,984,000  
Senior Unsecured Revolving Credit Facility | Line of Credit                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount         1,750,000,000          
Carrying Value         $ 0       $ 0  
Interest Rate         4.74%       5.43%  
Senior Unsecured Revolving Credit Facility | Line of Credit | Revolving Credit Facility                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount         $ 1,750,000,000   $ 1,750,000,000 $ 1,650,000,000    
Senior Unsecured Revolving Credit Facility | Line of Credit | Revolving Credit Facility | Maximum | Base Rate                    
Debt Instrument, Redemption [Line Items]                    
Debt instrument, basis spread on variable rate         0.20%          
Senior Unsecured Revolving Credit Facility | Line of Credit | Revolving Credit Facility | Maximum | Secured Overnight Financing Rate (SOFR)                    
Debt Instrument, Redemption [Line Items]                    
Debt instrument, basis spread on variable rate         1.20%          
Debt instrument, basis spread on variable rate, per annum adjustment         0.10%          
2034 Senior Notes | Senior Notes                    
Debt Instrument, Redemption [Line Items]                    
Principal amount         $ 600,000,000         $ 600,000,000
Carrying Value         $ 594,700,000       $ 594,051,000  
Interest Rate         5.88%       5.88%  
2036 Senior Notes | Senior Notes                    
Debt Instrument, Redemption [Line Items]                    
Principal amount         $ 500,000,000 $ 500,000,000        
Carrying Value         $ 491,353,000       $ 0  
Interest Rate         5.38% 5.375%     0.00%  
Subordinated Notes | Subordinated Debt                    
Debt Instrument, Redemption [Line Items]                    
Principal amount $ 400,000,000       $ 400,000,000          
Carrying Value         $ 390,311,000       $ 390,058,000  
Interest Rate         6.95%       6.95%  
Interest deferral period 5 years                  
Secured Notes - Tranche A | Secured Debt                    
Debt Instrument, Redemption [Line Items]                    
Principal amount         $ 200,000,000          
Carrying Value         $ 196,931,000       $ 196,683,000  
Interest Rate         5.33%       5.33%  
Secured Notes - Tranche B | Secured Debt                    
Debt Instrument, Redemption [Line Items]                    
Principal amount         $ 50,000,000          
Carrying Value         $ 49,252,000       $ 49,192,000  
Interest Rate         4.75%       4.75%  
364-Day Revolving Credit Facility | Line of Credit                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount   $ 150,000,000 $ 300,000,000   $ 300,000,000          
Carrying Value         $ 0       $ 52,000,000  
Interest Rate         5.69%       6.33%  
Debt instrument, term   364 days 364 days              
Subordinated Credit Facility | Line of Credit                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount         $ 30,000,000          
Carrying Value         $ 0       $ 0  
Interest Rate         6.04%       6.68%  
Subordinated Credit Facility | Subordinated Debt | Revolving Credit Facility                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount       $ 30,000,000.0            
Number of credit facilities | creditFacility       2            
Subordinated Credit Facility One | Subordinated Debt | Revolving Credit Facility                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount       $ 15,000,000.0            
Subordinated Credit Facility Two | Subordinated Debt | Revolving Credit Facility                    
Debt Instrument, Redemption [Line Items]                    
Borrowing Amount       $ 15,000,000.0