v3.26.1
Borrowings - Schedule of Broker-Dealer Credit Facilities Carrying Values, Net (Details) - USD ($)
Jun. 30, 2026
Dec. 31, 2025
Line of Credit Facility [Line Items]    
Borrowing Outstanding $ 2,051,082,000 $ 2,067,334,000
Deferred Debt Issuance Cost (23,009,000) (25,439,000)
Outstanding Borrowings, net 2,025,883,000 2,039,463,000
Broker-dealer credit facilities    
Line of Credit Facility [Line Items]    
Financing Available 1,050,000,000 1,060,000,000
Borrowing Outstanding 325,000,000 10,000,000
Deferred Debt Issuance Cost (1,418,000) 0
Outstanding Borrowings, net $ 323,582,000 $ 10,000,000
Uncommitted facility    
Line of Credit Facility [Line Items]    
Interest Rate 4.77% 4.81%
Financing Available $ 400,000,000 $ 400,000,000
Borrowing Outstanding 125,000,000 0
Deferred Debt Issuance Cost 0 0
Outstanding Borrowings, net $ 125,000,000 0
Uncommitted facility | Balance Sheet Location [Axis]: us-gaap:OtherAssets    
Line of Credit Facility [Line Items]    
Deferred Debt Issuance Cost   (2,500,000)
Committed facility    
Line of Credit Facility [Line Items]    
Interest Rate 5.01%  
Financing Available $ 650,000,000 650,000,000
Borrowing Outstanding 200,000,000 0
Deferred Debt Issuance Cost (1,418,000) 0
Outstanding Borrowings, net $ 198,582,000 $ 0
Committed facility | Borrowing Base A Loan    
Line of Credit Facility [Line Items]    
Interest Rate 5.01% 5.09%
Committed facility | Borrowing Base B Loan    
Line of Credit Facility [Line Items]    
Interest Rate 6.26% 6.58%
Outstanding Borrowings, net $ 100,000,000.0 $ 0
Overdraft facility    
Line of Credit Facility [Line Items]    
Interest Rate   7.37%
Financing Available   $ 10,000,000
Borrowing Outstanding   10,000,000
Deferred Debt Issuance Cost   0
Outstanding Borrowings, net   $ 10,000,000