v3.26.1
Fair Value Measurements - Classes of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Measurements, Recurring - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Financial Assets    
Cash and Cash Equivalents $ 301,727 $ 582,542
Other 10,688 11,966
Total Financial Assets 491,398 736,263
Financial Liabilities    
Total Financial Liabilities 39,163 44
Investments—Consolidated Investment Companies    
Financial Assets    
Investments 118,883 85,501
Investments—Affiliates and Other    
Financial Assets    
Investments 60,100 56,254
Level 1    
Financial Assets    
Cash and Cash Equivalents 301,727 582,542
Other 10,688 11,966
Total Financial Assets 392,198 659,812
Financial Liabilities    
Total Financial Liabilities 0 0
Level 1 | Investments—Consolidated Investment Companies    
Financial Assets    
Investments 22,060 11,432
Level 1 | Investments—Affiliates and Other    
Financial Assets    
Investments 57,723 53,872
Level 2    
Financial Assets    
Cash and Cash Equivalents 0 0
Other 0 0
Total Financial Assets 99,184 76,433
Financial Liabilities    
Total Financial Liabilities 0 44
Level 2 | Investments—Consolidated Investment Companies    
Financial Assets    
Investments 96,823 74,069
Level 2 | Investments—Affiliates and Other    
Financial Assets    
Investments 2,361 2,364
Level 3    
Financial Assets    
Cash and Cash Equivalents 0 0
Other 0 0
Total Financial Assets 16 18
Financial Liabilities    
Total Financial Liabilities 39,163 0
Level 3 | Investments—Consolidated Investment Companies    
Financial Assets    
Investments 0 0
Level 3 | Investments—Affiliates and Other    
Financial Assets    
Investments $ 16 $ 18