Analysis Of Income And Expense [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| Analysis of income and expense [abstract] | ||||||||||
| Material income and expense [abstract] | ||||||||||
| Investment income | — | — |
29,529,000
GBP
|
— | — | — | — | — |
38,865,000
GBP
|
— |
| Finance income (cost) | — | — |
1,671,000
GBP
|
— | — | — | — | — |
2,524,000
GBP
|
— |
| Revenue and other operating income | — | — |
37,068,000
GBP
|
— | — | — | — | — |
49,524,000
GBP
|
— |
| Operating expense | — | — |
14,204,000
GBP
|
— | — | — | — | — |
12,816,000
GBP
|
— |
| Gains (losses) on change in fair value of derivatives [abstract] | ||||||||||
| Gains (losses) on change in fair value of derivatives | — | — |
6,969,000
GBP
|
— | — | — | — | — |
8,874,000
GBP
|
— |
| Miscellaneous other comprehensive income [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations and hedges of net investments in foreign operations [abstract] | ||||||||||
| Other comprehensive income, net of tax, exchange differences on translation of foreign operations |
22,417,000
GBP
|
–
GBP
|
4,619,000
GBP
|
–
GBP
|
17,798,000
GBP
|
16,009,000
GBP
|
–
GBP
|
–
GBP
|
351,000
GBP
|
15,658,000
GBP
|
| Other components of other comprehensive income that will not be reclassified to profit or loss, net of tax | — | — |
–
GBP
|
— | — |
3,000
GBP
|
–
GBP
|
–
GBP
|
453,000
GBP
|
456,000
GBP
|
| Comprehensive income, continuing and discontinued operations [abstract] | ||||||||||
| Comprehensive income |
22,417,000
GBP
|
–
GBP
|
21,581,000
GBP
|
–
GBP
|
43,998,000
GBP
|
16,006,000
GBP
|
–
GBP
|
–
GBP
|
39,483,000
GBP
|
55,489,000
GBP
|