v3.26.1
Debt - Narrative (Details) - Senior Notes - Burford Capital Global Finance LLC - USD ($)
Jan. 15, 2026
Jun. 30, 2026
Jul. 11, 2025
6.250% Senior Notes due 2028      
Debt Instrument [Line Items]      
Interest rate   6.25%  
6.875% Senior Notes due 2030      
Debt Instrument [Line Items]      
Interest rate   6.875%  
9.250% Senior Notes due 2031      
Debt Instrument [Line Items]      
Interest rate   9.25%  
7.500% Senior Notes due July 15, 2033      
Debt Instrument [Line Items]      
Interest rate   7.50%  
Minimum principal amount     $ 20,000,000.0
8.50% Senior Notes due January 15, 2034      
Debt Instrument [Line Items]      
Interest rate 8.50% 8.50%  
Principal value $ 500,000,000.0    
Redemption price, percentage 100.00%    
Percentage of principal amount to be redeemed 40.00%    
Minimum principal amount outstanding, percentage 50.00%    
Redemption price, change in control, percentage 101.00%    
Redemption price, proceeds not applied as permitted, percentage 100.00%