v3.26.1
Note 11 - Investments in Unconsolidated Entities - Summary of Individual Sensitivities of Key Unobservable Inputs to the Fair Value Measurement (Details) - OPay Digital Services Limited [member] - PWERM [member] - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Weighted average equity value [member]    
Disclosure of unconsolidated structured entities [line items]    
Change in assumption, percentage [1] 10.00%  
Decrease in assumption $ (29,238) $ (25,495)
Increase in assumption 29,238 25,495
Time to exit [member]    
Disclosure of unconsolidated structured entities [line items]    
Decrease in assumption 25,945 23,110
Increase in assumption $ (23,968) (21,417)
Time to exit (Year) [1] 6 months  
Relative change in probability of sale [member]    
Disclosure of unconsolidated structured entities [line items]    
Change in assumption, percentage [1],[2] 100.00%  
Decrease in assumption [2] $ 43 826
Increase in assumption [2] $ (43) (826)
Discount for lack of marketability1 [member]    
Disclosure of unconsolidated structured entities [line items]    
Change in assumption, percentage [1] 5.00%  
Decrease in assumption $ 16,365 14,350
Increase in assumption $ (16,365) (14,350)
Discount rate, measurement input [member]    
Disclosure of unconsolidated structured entities [line items]    
Change in assumption, percentage [1] 2.00%  
Decrease in assumption $ 6,465 6,965
Increase in assumption $ (6,217) $ (6,657)
[1] pp – percentage points.
[2] Represents a relative change in the probabilities of sale scenarios, offset by an equal change in the probabilities of initial public offering scenarios.