v3.25.2
Restructuring, impairment, and other related costs - Narrative (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Sep. 30, 2025
Dec. 31, 2024
USD ($)
Restructuring Cost and Reserve [Line Items]          
Severance and benefit expense $ 6,677        
Accrued expenses and other current liabilities 54,984 $ 54,984     $ 62,440
Impairment of long-lived assets and prepaid expenses 6,414 6,414 $ 0    
United Kingdom          
Restructuring Cost and Reserve [Line Items]          
Impairment of long-lived assets 5,400        
Prepaid expense 1,000 1,000      
United Kingdom | Right Of Use Asset          
Restructuring Cost and Reserve [Line Items]          
Impairment of long-lived assets 400        
United Kingdom | Leasehold improvements          
Restructuring Cost and Reserve [Line Items]          
Impairment of long-lived assets 2,700        
United Kingdom | Equipment          
Restructuring Cost and Reserve [Line Items]          
Impairment of long-lived assets 2,100        
United Kingdom | Furniture and Fixtures          
Restructuring Cost and Reserve [Line Items]          
Impairment of long-lived assets 200        
Employee Severance          
Restructuring Cost and Reserve [Line Items]          
Severance and benefit expense 6,700 6,700      
Payments for restructuring   100      
Accrued expenses and other current liabilities $ 6,600 $ 6,600      
Employee Severance | Forecast | 2025 Restructuring          
Restructuring Cost and Reserve [Line Items]          
Expected number of positions eliminated (as a percent)       0.30