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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Income Tax Contingency [Line Items] |  |
Federal research and development tax credit carryforwards subject to limitation | $ 0.1 |
Liability for unrecognized tax benefits | 21.5 |
Unrecognized tax benefits, accrued interest | $ 0.3 | $ 0.2
Maximum |  |
Income Tax Contingency [Line Items] |  |
Foreign Tax Returns, Income Tax Examination, Period | 10 years |
UNITED KINGDOM |  |
Income Tax Contingency [Line Items] |  |
Deferred tax assets, foreign NOLs | $ 4.1 |
Federal |  |
Income Tax Contingency [Line Items] |  |
Federal research and development credit carry forwards | 4.4 |
State |  |
Income Tax Contingency [Line Items] |  |
Deferred tax assets, state NOLs | 89.5 |
State research and development credit carry forwards | $ 21.6 |

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