Disclosure Of Income Tax [Text Block]
| 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 |
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 |
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 |
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 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
2021-01-01 to 2021-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of income tax [text block] | — | — |
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Major components of tax expense (income) [abstract] | ||||||||||||||||||||||||||
| Tax expense (income) | — | — |
32,700,000
GBP
|
— | — | — | — | — | — |
–
GBP
|
32,700,000
GBP
|
— | — | — | — | — | — | — |
8,300,000
GBP
|
16,200,000
GBP
|
— | — | — | — |
24,500,000
GBP
|
— |
| Current and deferred tax relating to items charged or credited directly to equity [abstract] | ||||||||||||||||||||||||||
| Current and deferred tax relating to items credited (charged) directly to equity | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
0 .1
GBP
|
100,000
GBP
|
| Income tax relating to components of other comprehensive income [abstract] | ||||||||||||||||||||||||||
| Income tax relating to components of other comprehensive income | — |
–
GBP
|
900,000
GBP
|
1,700,000
GBP
|
–
GBP
|
800,000
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
1,200,000
GBP
|
— |
–
GBP
|
— | — |
–
GBP
|
–
GBP
|
–
GBP
|
–
GBP
|
200,000
GBP
|
1,000,000
GBP
|
| Disclosure of temporary difference, unused tax losses and unused tax credits [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] | ||||||||||||||||||||||||||
| Disclosure of temporary difference, unused tax losses and unused tax credits [line items] | ||||||||||||||||||||||||||
| Deferred tax assets and liabilities [abstract] | ||||||||||||||||||||||||||
| Deferred tax assets |
133,700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
156,400,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Deferred tax liabilities |
700,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
800,000
GBP
|
— | — | — | — | — | — | — | — | — |
| Reconciliation of changes in deferred tax liability (asset) [abstract] | ||||||||||||||||||||||||||
| Changes in deferred tax liability (asset) [abstract] | ||||||||||||||||||||||||||
| Reconciliation of accounting profit multiplied by applicable tax rates [abstract] |