v3.26.1
Related party transactions - Related Party Fees (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Related Party Transaction [Line Items]        
Total management, advisory and performance fees to related parties $ 0.4 $ 1.1 $ 1.6 $ 2.0
Management and advisory fees        
Related Party Transaction [Line Items]        
Total management, advisory and performance fees to related parties 0.4 1.3 1.6 2.4
Performance fees        
Related Party Transaction [Line Items]        
Total management, advisory and performance fees to related parties $ 0.0 $ (0.2) $ 0.0 $ (0.4)