v3.25.4
Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details)
$ / shares in Units, $ in Thousands, shares in Millions
 12 Months Ended
Jul. 01, 2025
USD ($)
$ / shares
shares
Nov. 01, 2023
USD ($)
installment
$ / shares
shares
Dec. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2023
USD ($)
Recognized amounts of identifiable assets acquired and liabilities assumed          
Goodwill     $ 436,079 $ 498,188 $ 436,079
Peppertree          
Business Combination [Line Items]          
Cash $ 235,659        
Total Purchase Price 389,632        
Recognized amounts of identifiable assets acquired and liabilities assumed          
Cash and cash equivalents 505        
Investments 561,945        
Right-of-use asset 1,577        
Intangible assets 248,900     $ 227,700  
Other assets 1,502        
Total assets 817,362        
Accounts payable and accrued expenses 23,006        
Accrued performance allocation compensation 403,052        
Operating lease liability 1,577        
Other liabilities 4,455        
Total liabilities 432,090        
Assets acquired/liabilities assumed 385,272        
Non-controlling interest of Peppertree 57,749        
Goodwill 62,109        
Payments to acquire businesses gross, cash on hand 270,700        
Payments to acquire businesses gross, proceeds from credit facility 470,000        
Cash held in escrow 2,500        
Maximum earnout payment 300,000        
Peppertree | Nonvoting Class A Common Stock          
Business Combination [Line Items]          
Nonvoting Class A common stock $ 153,973        
Recognized amounts of identifiable assets acquired and liabilities assumed          
Equity interest issued in the business acquisition (in shares) | shares 2.9        
Business acquisition, share price (in usd per share) | $ / shares $ 52.84        
Peppertree | Affiliated Entity          
Recognized amounts of identifiable assets acquired and liabilities assumed          
Due from affiliates $ 2,933        
Angelo Gordon          
Business Combination [Line Items]          
Cash   $ 740,703 $ 16,300    
Amounts payable to seller   16,334      
Nonvoting Class A common stock   233,894      
Total Purchase Price   1,143,404      
Recognized amounts of identifiable assets acquired and liabilities assumed          
Cash and cash equivalents   383,868      
Investments   1,046,375      
Intangible assets   547,500      
Other assets   172,282      
Total assets   2,334,277      
Accounts payable and accrued expenses   307,308      
Accrued performance allocation compensation   744,903      
Other liabilities   190,147      
Total liabilities   1,392,586      
Assets acquired/liabilities assumed   941,691      
Non-controlling interest of Peppertree   4,172      
Goodwill   205,885      
Cash held in escrow   $ 100,000      
Business acquisition, share price (in usd per share) | $ / shares   $ 28.18      
Business combination, number of installments | installment   3      
Business combination, consideration transferred, payable in installment   $ 50,000      
Angelo Gordon | Vested Common Unit          
Recognized amounts of identifiable assets acquired and liabilities assumed          
Equity interest issued in the business acquisition (in shares) | shares   9.2      
Angelo Gordon | Acquisition Common Units          
Recognized amounts of identifiable assets acquired and liabilities assumed          
Equity interest issued in the business acquisition (in shares) | shares   43.8      
Angelo Gordon | Acquisition Service Awards          
Recognized amounts of identifiable assets acquired and liabilities assumed          
Equity interest issued in the business acquisition (in shares) | shares   8.4      
Angelo Gordon | Aggregate Annual Cash Holdback Amount          
Business Combination [Line Items]          
Fair value of Earnout Payment   $ 125,158      
Recognized amounts of identifiable assets acquired and liabilities assumed          
Maximum earnout payment   150,000      
Angelo Gordon | Earnout Payment          
Business Combination [Line Items]          
Fair value of Earnout Payment   27,315      
Recognized amounts of identifiable assets acquired and liabilities assumed          
Maximum earnout payment   400,000      
Angelo Gordon | Affiliated Entity          
Recognized amounts of identifiable assets acquired and liabilities assumed          
Due from affiliates   184,252      
Due to affiliates   $ 150,228