Disclosure Of Fair Value Measurement [Text Block]
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As at 2022-03-31 |
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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 | — |
99,791,000
GBP
|
— | — | — | — |
99,541,000
GBP
|
— |
100,285,000
GBP
|
100,035,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, assets [abstract] | ||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [text block] | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Disclosure of fair value measurement of liabilities [abstract] | ||||||||||||||||||||
| Disclosure of fair value measurement of liabilities [line items] | ||||||||||||||||||||
| Liabilities | — |
71,055,000
GBP
|
— | — | — | — |
70,805,000
GBP
|
— |
68,623,000
GBP
|
68,373,000
GBP
|
— | — | — | — | — | — | — | — | — | — |
| Reconciliation of changes in fair value measurement, liabilities [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 |
1,724,000
GBP
|
28,736,000
GBP
|
24,594,000
GBP
|
272,000
GBP
|
1,439,000
GBP
|
707,000
GBP
|
28,736,000
GBP
|
1,724,000
GBP
|
31,662,000
GBP
|
31,662,000
GBP
|
272,000
GBP
|
1,439,000
GBP
|
707,000
GBP
|
27,520,000
GBP
|
707,000
GBP
|
1,724,000
GBP
|
1,439,000
GBP
|
272,000
GBP
|
30,589,000
GBP
|
34,731,000
GBP
|
| Reconciliation of changes in fair value measurement, entity's own equity instruments [abstract] |