Statement Of Cash Flows [Abstract]
| Concept |
As at 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2022-01-01 to 2022-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
As at 2020-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of cash flows [abstract] | |||||||||||
| Cash flows from (used in) operating activities [abstract] | |||||||||||
| Profit (loss) | — |
107,484,000
GBP
|
24,318,000
GBP
|
289,891,000
GBP
|
206,725,000
GBP
|
36,828,000
GBP
|
86,833,000
GBP
|
— |
595,137,000
GBP
|
471,476,000
GBP
|
— |
| Cash flows from (used in) operating activities | — |
70,622,000
GBP
|
— | — | — | — | — | — |
2,088,000
GBP
|
— | — |
| Cash flows from (used in) investing activities [abstract] | |||||||||||
| Cash flows from (used in) investing activities | — |
75,888,000
GBP
|
— | — | — | — | — | — |
192,238,000
GBP
|
— | — |
| Cash flows from (used in) financing activities [abstract] | |||||||||||
| Proceeds from issuing shares | — |
10,974,000
GBP
|
— | — | — | — | — | — |
141,231,000
GBP
|
— | — |
| Proceeds from borrowings, classified as financing activities | — |
138,779,000
GBP
|
— | — | — | — | — | — |
152,481,000
GBP
|
— | — |
| Repayments of borrowings, classified as financing activities | — |
152,482,000
GBP
|
— | — | — | — | — | — |
—
GBP
|
— | — |
| Dividends paid, classified as financing activities | — |
34,217,000
GBP
|
— | — | — | — | — | — |
21,660,000
GBP
|
— | — |
| Cash flows from (used in) financing activities | — |
47,231,000
GBP
|
— | — | — | — | — | — |
266,958,000
GBP
|
— | — |
| Increase (decrease) in cash and cash equivalents after effect of exchange rate changes | — |
41,965,000
GBP
|
— | — | — | — | — | — |
72,632,000
GBP
|
— | — |
| Cash and cash equivalents |
52,315,000
GBP
|
— | — | — | — | — | — |
94,280,000
GBP
|
— | — |
21,648,000
GBP
|