Statement Of Comprehensive Income [Abstract]
| Concept |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
2020-01-01 to 2020-12-31 |
|---|---|---|---|---|---|---|
| Statement of comprehensive income [abstract] | ||||||
| Profit (loss) |
254,125,000
GBP
|
254,125,000
GBP
|
254,125,000
GBP
|
76,813,000
GBP
|
76,813,000
GBP
|
76,813,000
GBP
|
| Other comprehensive income [abstract] | ||||||
| Other comprehensive income |
24,690,000
GBP
|
24,690,000
GBP
|
24,690,000
GBP
|
9,530,000
GBP
|
9,530,000
GBP
|
9,530,000
GBP
|
| Comprehensive income attributable to [abstract] | ||||||
| Comprehensive income, attributable to owners of parent |
278,815,000
GBP
|
278,815,000
GBP
|
278,815,000
GBP
|
67,283,000
GBP
|
67,283,000
GBP
|
67,283,000
GBP
|