Segment and Customer Concentration Information - Schedule of Segment Operating Results and Reconciliation to the Consolidated Balances (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Revenue:
Revenue	$ 15,493	$ 16,959	$ 52,911	$ 47,665
Depreciation and amortization	5,710	11,932	20,169	19,468
Restructuring costs	3,284		9,546
Operating loss	(115,857)	(128,929)	(369,349)	(414,716)
Other significant items:
Segment assets	403,414	552,878	403,414	552,878	$ 512,367
Inventories, net	17,636	16,698	17,636	16,698	$ 12,196
Reportable Segments
Revenue:
Revenue	15,493	16,959	52,911	47,665
Depreciation and amortization	5,710	11,932	20,169	19,468
Restructuring costs	3,284		9,546
Operating loss	(116,341)	(131,270)	(370,451)	(415,951)
Other significant items:
Segment assets	547,829	756,111	547,829	756,111
Inventories, net	17,636	16,735	17,636	16,735
Eliminations
Revenue:
Depreciation and amortization	0	0	0	0
Restructuring costs	0		0
Operating loss	484	2,341	1,102	1,235
Other significant items:
Segment assets	(144,415)	(203,233)	(144,415)	(203,233)
Inventories, net	0	(37)	0	(37)
Autonomy Solutions
Revenue:
Revenue	9,766	11,229	36,066	31,640
Autonomy Solutions | Reportable Segments
Revenue:
Revenue	9,766	11,229	36,066	31,640
Depreciation and amortization	4,981	11,231	18,055	17,423
Restructuring costs	3,284		8,869
Operating loss	(106,133)	(131,943)	(350,719)	(393,794)
Other significant items:
Segment assets	482,723	676,874	482,723	676,874
Inventories, net	13,523	15,800	13,523	15,800
ATS
Revenue:
Revenue	5,727	5,730	16,845	16,025
ATS | Reportable Segments
Revenue:
Revenue	5,727	5,730	16,845	16,025
Depreciation and amortization	729	701	2,114	2,045
Restructuring costs	0		677
Operating loss	(10,208)	673	(19,732)	(22,157)
Other significant items:
Segment assets	65,106	79,237	65,106	79,237
Inventories, net	$ 4,113	$ 935	$ 4,113	$ 935