Contingencies - Summary of Movement in Contingencies (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Pension retirement obligations
Actuarial gains and losses on defined-benefit plans	$ 33
Of which current	253	$ 3,959
Of which non-current	1,070	$ 935
Contingencies [Roll Forward]
Used liabilities	(3,066)
Reversals of unused liabilities	(656)
Total
Defined benefit plan, benefit obligation and loss contingency accrual, beginning balance	4,894
Increases in liabilities	159
Currency translation effect	(41)
Defined benefit plan, benefit obligation and loss contingency accrual, ending balance	1,323
Of which current	253
Of which non-current	1,070
Collaboration agreement - Loss at completion
Contingencies [Roll Forward]
Contingencies, beginning balance	2,100
Used liabilities	(1,930)
Currency translation effect	(30)
Contingencies, ending balance	141
Of which current	141
Of which non-current
Other contingencies
Contingencies [Roll Forward]
Contingencies, beginning balance	1,859
Increases in liabilities	73
Used liabilities	(1,136)
Reversals of unused liabilities	(656)
Currency translation effect	(27)
Contingencies, ending balance	112
Of which current	112
Of which non-current	0
Pension retirement obligations
Pension retirement obligations
Pension retirement obligations, beginning balance	935
Increases in liabilities	87
Actuarial gains and losses on defined-benefit plans	33
Currency translation effect	16
Pension retirement obligations, ending balance	1,070
Of which current	0
Of which non-current	$ 1,070