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Income Taxes - Net Operating and Capital Loss Carryforwards (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Net deferred tax assets |  |
Total net deferred tax assets | $ 72.4 | $ 75.5
Tax credit carryforwards, foreign | $ 1.8 |
Percentage of likelihood for realization of benefit upon ultimate settlement | 50.00% |
Domestic Tax Authority |  |
Net deferred tax assets |  |
Separate return limitation year operating loss carryforwards | $ 0.6 |
Operating and Capital Loss Carryforward |  |
Net deferred tax assets |  |
Operating loss carryforwards | 551.1 |
Gross deferred tax asset | 121.5 |
Valuation allowance | (121.5) |
Total net deferred tax assets | 0.0 |
Operating and Capital Loss Carryforward | United States |  |
Net deferred tax assets |  |
Operating loss carryforwards | 399.5 |
Gross deferred tax asset | 85.4 |
Valuation allowance | (85.4) |
Total net deferred tax assets | 0.0 |
Operating and Capital Loss Carryforward | Luxembourg |  |
Net deferred tax assets |  |
Operating loss carryforwards | 59.5 |
Gross deferred tax asset | 14.8 |
Valuation allowance | (14.8) |
Total net deferred tax assets | 0.0 |
Operating and Capital Loss Carryforward | United Kingdom |  |
Net deferred tax assets |  |
Operating loss carryforwards | 4.9 |
Gross deferred tax asset | 1.2 |
Valuation allowance | (1.2) |
Total net deferred tax assets | 0.0 |
Operating and Capital Loss Carryforward | Israel |  |
Net deferred tax assets |  |
Operating loss carryforwards | 87.2 |
Gross deferred tax asset | 20.1 |
Valuation allowance | (20.1) |
Total net deferred tax assets | 0.0 |
2022-2026 | Operating and Capital Loss Carryforward |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2022-2026 | Operating and Capital Loss Carryforward | United States |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2022-2026 | Operating and Capital Loss Carryforward | Luxembourg |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2022-2026 | Operating and Capital Loss Carryforward | United Kingdom |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2022-2026 | Operating and Capital Loss Carryforward | Israel |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2027-2031 | Operating and Capital Loss Carryforward |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.2 |
2027-2031 | Operating and Capital Loss Carryforward | United States |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.2 |
2027-2031 | Operating and Capital Loss Carryforward | Luxembourg |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2027-2031 | Operating and Capital Loss Carryforward | United Kingdom |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2027-2031 | Operating and Capital Loss Carryforward | Israel |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2032-2041 | Operating and Capital Loss Carryforward |  |
Net deferred tax assets |  |
Operating loss carryforwards | 310.3 |
2032-2041 | Operating and Capital Loss Carryforward | United States |  |
Net deferred tax assets |  |
Operating loss carryforwards | 250.8 |
2032-2041 | Operating and Capital Loss Carryforward | Luxembourg |  |
Net deferred tax assets |  |
Operating loss carryforwards | 59.5 |
2032-2041 | Operating and Capital Loss Carryforward | United Kingdom |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
2032-2041 | Operating and Capital Loss Carryforward | Israel |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
No expiration date | Operating and Capital Loss Carryforward |  |
Net deferred tax assets |  |
Operating loss carryforwards | 240.6 |
No expiration date | Operating and Capital Loss Carryforward | United States |  |
Net deferred tax assets |  |
Operating loss carryforwards | 148.5 |
No expiration date | Operating and Capital Loss Carryforward | Luxembourg |  |
Net deferred tax assets |  |
Operating loss carryforwards | 0.0 |
No expiration date | Operating and Capital Loss Carryforward | United Kingdom |  |
Net deferred tax assets |  |
Operating loss carryforwards | 4.9 |
No expiration date | Operating and Capital Loss Carryforward | Israel |  |
Net deferred tax assets |  |
Operating loss carryforwards | $ 87.2 |

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