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v3.23.1

Share-Based Compensation - Restricted Share Units (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Number of Shares |  |  |
Granted (in shares) | 2,076,950 |  |
Unvested and Outstanding, ending balance (in shares) | 4,434,280 |  |
Weighted Average Grant Date Fair Value |  |  |
Granted (in dollars per share) | $ 8.27 | $ 11.38 |
Weighted Average Grant Date Fair Value, ending balance (in dollars per share) | $ 14.65 |  |
Restricted Stock Units (RSUs) |  |  |
Number of Shares |  |  |
Unvested and Outstanding, beginning balance (in shares) | 271,135 |  |
Granted (in shares) | 175,750 |  |
Vested (in shares) | (31,856) |  |
Forfeited (in shares) | (7,500) |  |
Unvested and Outstanding, ending balance (in shares) | 407,529 |  | 271,135
Weighted Average Grant Date Fair Value |  |  |
Weighted Average Grant Date Fair Value, beginning balance (in dollars per share) | $ 12.23 |  |
Granted (in dollars per share) | 10.85 |  |
Vested (in dollars per share) | 12.60 |  |
Forfeited (in dollars per share) | 12.42 |  |
Weighted Average Grant Date Fair Value, ending balance (in dollars per share) | $ 11.60 |  | $ 12.23
Unrecognized compensation cost | $ 4.4 |  | $ 2.6
Period for recognition (in years) | 3 years 2 months 12 days |  | 3 years
Exercise price (in pound sterling per share) | $ 0.01 |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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