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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2020
Cash And Cash Equivalents [Abstract]  
Schedule of Detailed Information About Cash and Cash Equivalents

 

 

2020

 

 

2019

 

 

 

(in thousands)

 

 

 

£

 

 

£

 

Cash and cash equivalents

 

 

87,356

 

 

 

51,962