Disclosure Of Leases [Text Block]
| Concept |
As at 2021-12-31 |
As at 2020-12-31 |
As at 2020-01-01 |
|---|---|---|---|
| Disclosure of leases [text block] | — | — | — |
| Presentation of leases for lessee [abstract] | |||
| Right-of-use assets |
50,400,000
GBP
|
52,700,000
GBP
|
43,400,000
GBP
|
| Lease liabilities [abstract] | |||
| Current lease liabilities |
11,600,000
GBP
|
11,900,000
GBP
|
11,400,000
GBP
|
| Non-current lease liabilities |
46,100,000
GBP
|
49,100,000
GBP
|
39,300,000
GBP
|
| Disclosure of quantitative information about leases for lessee [abstract] | |||
| Disclosure of quantitative information about right-of-use assets [text block] | — | — | — |
| Disclosure of quantitative information about right-of-use assets [abstract] | |||
| Disclosure of quantitative information about right-of-use assets [line items] | |||
| Reconciliation of changes in right-of-use assets [abstract] |