Segment Information - Narrative (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2022 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Disclosure of operating segments [line items] | |||
| Non-current assets | $ 252,193 | $ 237,933 | $ 109,467 |
| UK | |||
| Disclosure of operating segments [line items] | |||
| Percentage of revenue | 39.40% | 38.30% | 64.80% |
| Non-current assets | $ 99,300 | $ 92,600 | $ 70,900 |
| Trade receivables | $ 4,900 | $ 7,000 | $ 2,200 |
| Percentage of receivables | 69.40% | 84.50% | 47.60% |
| US | |||
| Disclosure of operating segments [line items] | |||
| Percentage of revenue | 59.50% | 61.10% | 34.50% |
| Non-current assets | $ 150,100 | $ 147,800 | $ 37,800 |
| Trade receivables | $ 2,000 | $ 900 | $ 2,300 |
| Percentage of receivables | 27.70% | 11.00% | 50.10% |
| X | ||||||||||
- Definition Percentage Of Entity's Trade Receivables No definition available.
|
| X | ||||||||||
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. No definition available.
|
| X | ||||||||||
- Definition The amount of assets that do not meet the definition of current assets. [Refer: Current assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The percentage of the entity's revenue. [Refer: Revenue] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition The amount due from customers for goods and services sold. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|