Contract Liabilities - Schedule of Contract Liabilities (Details) - GBP (£) £ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Contract Liabilities [Abstract]
Current	£ 4,247	£ 17,042
Non-current	72,501	51,337
Total contract liabilities	£ 76,748	£ 68,379	£ 17,993

The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2021-01-01
-Paragraph 105
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_105&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 15
-IssueDate 2021-01-01
-Paragraph 116
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2021-en-r&anchor=para_116_a&doctype=Standard
-URIDate 2021-03-24

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- References

No definition available.

+ Details

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- Definition

The amount of current contract liabilities. [Refer: Contract liabilities]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of non-current contract liabilities. [Refer: Contract liabilities]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
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