Income Taxes - Schedule of Reconciliation of Provision For Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
Swiss federal statutory rate	$ (11,581)	$ (11,149)	$ (16,298)
State income taxes	516	1,100	778
Effect of Changes in Tax Laws or Rates Enacted in the Current Period	0	0	0
Effect of Cross-Border Tax Laws	(32)	(30)	(37)
Tax Credits	0	0	0
Nontaxable or Nondeductible Items	0	0	0
Total income tax provision	$ (23)	$ 37,465	$ 15,303
Percent
Swiss federal statutory rate	8.50%	8.50%	8.50%
State income taxes, percent	(0.38%)	(0.84%)	(0.41%)
Effect of Changes in Tax Laws or Rates Enacted in the Current Period	0.00%	0.00%	0.00%
Effect of Cross-Border Tax Laws	0.02%	0.02%	0.02%
Tax Credits	0.00%	0.00%	0.00%
Nontaxable or Nondeductible Items	0.00%	0.00%	0.00%
Effective Income Tax Rate Reconciliation, Percent	(0.02%)	(27.58%)	(7.98%)
United States
Amount
State income taxes	$ 2,075	$ 7,338	$ 4,043
Change in valuation allowance	(32,228)	(5,046)	(31,218)
Statutory tax rate difference	11,439	11,468	16,906
Share based compensation	1,763	3,439	2,178
Foreign-Derived Intangible Income ("FDII")	886	0	0
Research and development credits	0	1,856	6,474
Other	$ 542	$ (345)	$ (392)
Percent
State income taxes, percent	(1.52%)	(5.59%)	(2.11%)
Change in valuation allowance	23.65%	3.85%	16.28%
Statutory tax rate difference	(8.40%)	(8.74%)	(8.82%)
Share based compensation	(1.29%)	(2.62%)	(1.14%)
Foreign-Derived Intangible Income ("FDII")	(0.65%)	0.00%	0.00%
Research and development credits	0.00%	(1.42%)	(3.38%)
Other	(0.40%)	0.26%	0.20%
Israel
Amount
Change in valuation allowance	$ 4,314	$ 1,443	$ 2,466
Statutory tax rate difference	606	508	662
Share based compensation	0	671	0
Tax Effects of the Encouragement of Capital Investments Law	0	729	0
Other	$ 989	$ (67)	$ 1,076
Percent
Change in valuation allowance	(3.17%)	(1.10%)	(1.29%)
Statutory tax rate difference	(0.44%)	(0.39%)	(0.35%)
Share based compensation	0.00%	(0.51%)	0.00%
Other	(0.73%)	0.05%	(0.56%)
Tax Effects of the Encouragement of Capital Investments Law	0.00%	(0.56%)	0.00%
Luxembourg
Amount
Change in valuation allowance	$ 621	$ 829	$ (857)
Statutory tax rate difference	798	1,621	1,421
Other	$ (5)	$ 15	$ 95
Percent
Change in valuation allowance	(0.46%)	(0.63%)	0.45%
Statutory tax rate difference	(0.59%)	(1.24%)	(0.74%)
Other	0.00%	(0.01%)	(0.05%)
France
Amount
Statutory tax rate difference	$ 663	$ 650	$ 210
Percent
Statutory tax rate difference	(0.49%)	0.50%	(0.11%)
Other foreign jurisdictions
Amount
Statutory tax rate difference	$ 4,188	$ 2,541	$ 2,867
Changes in Unrecognized Tax Benefits	$ 1	$ 1	$ 0
Percent
Statutory tax rate difference	(3.07%)	(1.94%)	(1.50%)
Changes in Unrecognized Tax Benefits	0.00%	0.00%	0.00%
Switzerland
Amount
Change in valuation allowance	$ 14,654	$ 20,483	$ 24,812
Other	$ (232)	$ (590)	$ 117
Percent
Change in valuation allowance	(10.77%)	(15.62%)	(12.91%)
Other	0.17%	0.45%	(0.06%)