XML 99 R68.htm IDEA: XBRL DOCUMENT v3.20.4
Leases - Additional information (Detail)
£ in Thousands
 12 Months Ended
Dec. 31, 2020
GBP (£)
LeaseContract
Dec. 31, 2019
GBP (£)
Presentation Of Leases For Lessee [Abstract]    
Information about nature of lessee's leasing activities lease terms of between two and five years  
Total net cash outflows for leases £ 300 £ 200
Non-cash additions to right-of-use assets and lease liabilities 0 500
Re-measurement of right of use asset and lease liability £ 115 £ 2
Information about lessee's exposure arising from variable lease payments The Company has one lease contract with variable payments where the lease costs after the first year of the lease are increased based upon a consumer price index.  
Number of lease contracts with variable lease payments | LeaseContract 1  
Information about lessee's exposure arising from extension options and termination options The Company has a number of lease contracts that include extension and termination options. These options are negotiated by management to provide flexibility in managing the leased asset portfolio and align it with the Company’s business needs. None of the termination options have been exercised or are expected to be exercised.