Annual report pursuant to Section 13 and 15(d)

Credit Facility (Details)

v3.22.0.1
Credit Facility (Details)
£ in Millions
12 Months Ended
Apr. 13, 2021
GBP (£)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Nov. 05, 2017
USD ($)
Credit Facility        
Interest rate margin (as a percent)   0.75%    
Uncommitted Credit Facility        
Credit Facility        
Maximum borrowing capacity | £ £ 8      
Interest rate margin (as a percent) 1.85%      
Borrowings outstanding   $ 0    
Credit Facility        
Credit Facility        
Maximum borrowing capacity       $ 20,000,000
Borrowings outstanding   0 $ 0  
Interest expense   $ 100,000 $ 100,000  
Credit Facility | Index        
Credit Facility        
Interest rate   2.50%    
Interest rate margin (as a percent)   1.75%