Income Taxes - Net Operating and Capital Loss Carryforwards (Details) $ in Millions	Dec. 31, 2024 USD ($)
Net deferred tax assets
No expiration date	$ 91.6
Total	278.2
Gross deferred tax asset	69.0
Valuation allowance	(69.0)
Total net deferred tax assets	0.0
2025-2029
Net deferred tax assets
2024-2043	0.4
2030-2034
Net deferred tax assets
2024-2043	0.3
2035-2044
Net deferred tax assets
2024-2043	185.9
United States
Net deferred tax assets
No expiration date	3.5
Total	13.0
Gross deferred tax asset	6.4
Valuation allowance	(6.4)
Total net deferred tax assets	0.0
United States | 2025-2029
Net deferred tax assets
2024-2043	0.4
United States | 2030-2034
Net deferred tax assets
2024-2043	0.3
United States | 2035-2044
Net deferred tax assets
2024-2043	8.8
Luxembourg
Net deferred tax assets
No expiration date	0.0
Total	177.1
Gross deferred tax asset	42.3
Valuation allowance	(42.3)
Total net deferred tax assets	0.0
Luxembourg | 2025-2029
Net deferred tax assets
2024-2043	0.0
Luxembourg | 2030-2034
Net deferred tax assets
2024-2043	0.0
Luxembourg | 2035-2044
Net deferred tax assets
2024-2043	177.1
United Kingdom
Net deferred tax assets
No expiration date	0.0
Total	0.0
Gross deferred tax asset	0.0
Valuation allowance	0.0
Total net deferred tax assets	0.0
United Kingdom | 2025-2029
Net deferred tax assets
2024-2043	0.0
United Kingdom | 2030-2034
Net deferred tax assets
2024-2043	0.0
United Kingdom | 2035-2044
Net deferred tax assets
2024-2043	0.0
Israel
Net deferred tax assets
No expiration date	88.1
Total	88.1
Gross deferred tax asset	20.3
Valuation allowance	(20.3)
Total net deferred tax assets	0.0
Israel | 2025-2029
Net deferred tax assets
2024-2043	0.0
Israel | 2030-2034
Net deferred tax assets
2024-2043	0.0
Israel | 2035-2044
Net deferred tax assets
2024-2043	$ 0.0