Disclosure Of Cash Flow Statement [Text Block]
| Concept |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
2020-01-01 to 2020-12-31 |
As at 2020-01-01 |
As at 2019-01-01 |
|---|---|---|---|---|---|---|
| Disclosure of cash flow statement [text block] | — | — | — | — | — | — |
| Cash and cash equivalents if different from statement of financial position [abstract] | ||||||
| Cash and cash equivalents |
398,714,000
GBP
|
— |
340,988,000
GBP
|
— |
340,988,000
GBP
|
361,962,000
GBP
|
| Income taxes paid (refund) [abstract] | ||||||
| Income taxes paid (refund), classified as operating activities | — |
65,411,000
GBP
|
— |
21,851,000
GBP
|
— | — |