v3.26.1
Goodwill and Intangibles - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Indefinite-Lived Intangible Assets [Line Items]      
Accumulated amortization, beginning balance $ (166,800) $ (145,108)  
Accumulated amortization, ending balance (172,118) (148,226)  
Amortization expense (5,409) (5,318)  
Accumulated amortization, impact of exchange rate movements 91    
Total amortization 83,679    
Accumulated amortization, adjustment for fully amortized intangibles   2,200  
Finite-lived intangible assets, Impact of exchange rate movements 101,081 92,271 $ 107,268
Trade Names      
Indefinite-Lived Intangible Assets [Line Items]      
Accumulated amortization, beginning balance (10,882) (8,322)  
Accumulated amortization, ending balance (11,580) (8,958)  
Amortization expense (698) (636)  
Accumulated amortization, impact of exchange rate movements 0    
Accumulated amortization, adjustment for fully amortized intangibles   0  
Finite-lived intangible assets, Impact of exchange rate movements 34,952 36,657  
Management and Advisory Contracts      
Indefinite-Lived Intangible Assets [Line Items]      
Accumulated amortization, beginning balance (155,462) (134,494)  
Accumulated amortization, ending balance (159,830) (139,164)  
Amortization expense (4,447) (4,670)  
Accumulated amortization, impact of exchange rate movements 79    
Accumulated amortization, adjustment for fully amortized intangibles   0  
Finite-lived intangible assets, Impact of exchange rate movements 55,823 55,502  
Investor and Intermediary Relationships      
Indefinite-Lived Intangible Assets [Line Items]      
Accumulated amortization, beginning balance (204) 0  
Accumulated amortization, ending balance (410) (0)  
Amortization expense (215) 0  
Accumulated amortization, impact of exchange rate movements 9    
Accumulated amortization, adjustment for fully amortized intangibles   0  
Finite-lived intangible assets, Impact of exchange rate movements 9,797 0  
Technology      
Indefinite-Lived Intangible Assets [Line Items]      
Accumulated amortization, beginning balance (252) (2,292)  
Accumulated amortization, ending balance (298) (104)  
Amortization expense (49) (12)  
Accumulated amortization, impact of exchange rate movements 3    
Accumulated amortization, adjustment for fully amortized intangibles   2,200  
Finite-lived intangible assets, Impact of exchange rate movements 509 112  
Indefinite-Lived Intangible Assets      
Indefinite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, Impact of exchange rate movements 0 0  
Intangible assets gross carrying amount, beginning balance 17,405 17,405  
Intangible assets gross carrying amount, ending balance 17,405 17,405  
Indefinite-Lived Intangible Assets | Trade Names      
Indefinite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, Impact of exchange rate movements 0 0  
Intangible assets gross carrying amount, beginning balance 17,375 17,375  
Intangible assets gross carrying amount, ending balance 17,375 17,375  
Indefinite-Lived Intangible Assets | Management and Advisory Contracts      
Indefinite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, Impact of exchange rate movements 0 0  
Intangible assets gross carrying amount, beginning balance 0 0  
Intangible assets gross carrying amount, ending balance 0 0  
Indefinite-Lived Intangible Assets | Investor and Intermediary Relationships      
Indefinite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, Impact of exchange rate movements 0 0  
Intangible assets gross carrying amount, beginning balance 0 0  
Intangible assets gross carrying amount, ending balance 0 0  
Indefinite-Lived Intangible Assets | Technology      
Indefinite-Lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets, Impact of exchange rate movements 0 0  
Intangible assets gross carrying amount, beginning balance 30 30  
Intangible assets gross carrying amount, ending balance 30 30  
Finite-Lived Intangible Assets      
Indefinite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, adjustment for fully amortized intangibles   (2,200)  
Finite-lived intangible assets, Impact of exchange rate movements (869)    
Intangible assets gross carrying amount, beginning balance 256,663 225,292  
Intangible assets gross carrying amount, ending balance 255,794 223,092  
Finite-Lived Intangible Assets | Trade Names      
Indefinite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, adjustment for fully amortized intangibles   0  
Finite-lived intangible assets, Impact of exchange rate movements (24)    
Intangible assets gross carrying amount, beginning balance 29,181 28,240  
Intangible assets gross carrying amount, ending balance 29,157 28,240  
Finite-Lived Intangible Assets | Management and Advisory Contracts      
Indefinite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, adjustment for fully amortized intangibles   0  
Finite-lived intangible assets, Impact of exchange rate movements (558)    
Intangible assets gross carrying amount, beginning balance 216,211 194,666  
Intangible assets gross carrying amount, ending balance 215,653 194,666  
Finite-Lived Intangible Assets | Investor and Intermediary Relationships      
Indefinite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, adjustment for fully amortized intangibles   0  
Finite-lived intangible assets, Impact of exchange rate movements (271)    
Intangible assets gross carrying amount, beginning balance 10,478 0  
Intangible assets gross carrying amount, ending balance 10,207 0  
Finite-Lived Intangible Assets | Technology      
Indefinite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, adjustment for fully amortized intangibles   (2,200)  
Finite-lived intangible assets, Impact of exchange rate movements (16)    
Intangible assets gross carrying amount, beginning balance 793 2,386  
Intangible assets gross carrying amount, ending balance $ 777 $ 186