Disclosure Of Fair Value Measurement [Text Block]
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Disclosure of fair value measurement [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of assets [abstract] | ||||||||||||||||||||||||
| Disclosure of fair value measurement of assets [line items] | ||||||||||||||||||||||||
| Assets |
736,394,000
GBP
|
— | — | — | — | — | — | — | — | — | — | — | — | — | — |
651,391,000
GBP
|
— | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of equity [abstract] | ||||||||||||||||||||||||
| Disclosure of fair value measurement of equity [line items] | ||||||||||||||||||||||||
| Equity |
251,510,000
GBP
|
-
GBP
|
107,000
GBP
|
161,491,000
GBP
|
1,150,000
GBP
|
15,688,000
GBP
|
4,042,000
GBP
|
102,708,000
GBP
|
93,802,000
GBP
|
1,150,000
GBP
|
-
GBP
|
151, 553
GBP
|
4,007,000
GBP
|
15,688,000
GBP
|
107,000
GBP
|
232,631,000
GBP
|
230,708,000
GBP
|
150,652,000
GBP
|
4,003,000
GBP
|
5,502,000
GBP
|
107,000
GBP
|
1,150,000
GBP
|
-
GBP
|
82,598,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |