Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Amount
U.S. Federal statutory tax rate	$ 6.9
State and local taxes, net of federal impact	0.5
Effect of changes in tax laws or rates enacted in the current period	0.0
Global intangible low-taxed income, net of foreign tax credits	1.4
Subpart F income, net of foreign tax credits	0.4
Foreign-derived intangible income	(0.8)
Transaction costs	2.1
Stock-based compensation	1.6
Other	0.1
Changes in unrecognized tax benefits	0.9
Total provision/(benefit) from income taxes	$ 2.9	$ 2.7	$ (6.6)
Percent
Income tax at U.S. Federal statutory rate	21.00%	21.00%	21.00%
State and local taxes, net of federal impact	1.50%	3.00%	2.40%
Foreign tax rate differential		(7.10%)	(1.50%)
Research and development tax credits		3.70%	1.70%
Change in valuation allowance		(13.40%)	(9.00%)
State and local tax legislative changes	0.00%	0.00%	1.30%
U.S. tax on foreign earnings, net of foreign tax credits	4.30%	(9.60%)	(2.20%)
Subpart F income, net of foreign tax credits	1.20%
U.S. foreign derived intangible income deduction	(2.40%)	7.50%	3.50%
Transaction costs	6.40%
Stock-based compensation expense	4.90%	(6.30%)	(3.40%)
Other	0.50%
Changes in unrecognized tax benefits	2.80%
Unrecognized tax benefits		1.10%	(2.20%)
Warrant liability change in fair value		(3.40%)	(5.50%)
Impact of foreign exchange		1.60%	(0.10%)
Non-deductible compensation		(5.10%)	0.00%
Other		(0.90%)	0.30%
Total effective income tax rate	8.90%	(7.90%)	6.30%
Belgium
Amount
Foreign tax effects	$ 0.4
Percent
Foreign tax rate differential	1.20%
Canada
Amount
Foreign tax effects	$ (1.1)
Local income tax effect	2.0
Other	$ 0.1
Percent
Foreign tax rate differential	(3.40%)
Local income tax effect	6.10%
Other	0.30%
France
Amount
Foreign tax effects	$ 0.6
Other	0.7
Research and development tax credits	$ (0.6)
Percent
Foreign tax rate differential	1.80%
Other	2.10%
Research and development tax credits	(1.80%)
Germany
Amount
Foreign tax effects	$ (0.5)
Local income tax effect	1.8
Other	$ (0.2)
Percent
Foreign tax rate differential	(1.50%)
Local income tax effect	5.50%
Other	(0.60%)
United Kingdom
Amount
Change in valuation allowance	$ 1.4
Percent
Change in valuation allowance	4.30%
Other foreign jurisdictions
Amount
Foreign tax effects	$ 0.0
United States
Amount
Research and development tax credits	(0.9)
Change in valuation allowance	$ (13.9)
Percent
Research and development tax credits	(2.80%)
Change in valuation allowance	(42.50%)