Segment and Customer Concentration Information - Schedule of Segment Operating Results and Reconciliation to the Consolidated Balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Revenue:
Revenue	$ 16,451	$ 16,197	$ 37,419	$ 30,706
Depreciation and amortization	6,391	4,549	14,458	7,536
Restructuring costs	6,262		6,262
Operating loss	(127,722)	(143,892)	(253,491)	(285,787)
Other significant items:
Segment assets	381,809	599,774	381,809	599,774	$ 512,367
Inventories, net	14,026	20,317	14,026	20,317	$ 12,196
Reportable Segments
Revenue:
Revenue	16,451	16,197	37,419	30,706
Depreciation and amortization	6,391	4,549	14,458	7,536
Restructuring costs	6,262		6,262
Operating loss	(128,340)	(142,396)	(254,110)	(284,681)
Other significant items:
Segment assets	518,358	782,517	518,358	782,517
Inventories, net	14,026	20,355	14,026	20,355
Eliminations
Revenue:
Depreciation and amortization	0	0	0	0
Restructuring costs	0		0
Operating loss	618	(1,496)	619	(1,106)
Other significant items:
Segment assets	(136,549)	(182,743)	(136,549)	(182,743)
Inventories, net	0	(38)	0	(38)
Autonomy Solutions
Revenue:
Revenue	9,981	9,738	26,301	20,411
Autonomy Solutions | Reportable Segments
Revenue:
Revenue	9,981	9,738	26,301	20,411
Depreciation and amortization	5,646	3,866	13,074	6,192
Restructuring costs	5,585		5,585
Operating loss	(119,567)	(120,162)	(244,586)	(261,851)
Other significant items:
Segment assets	450,151	708,853	450,151	708,853
Inventories, net	9,255	19,679	9,255	19,679
ATS
Revenue:
Revenue	6,470	6,459	11,118	10,295
ATS | Reportable Segments
Revenue:
Revenue	6,470	6,459	11,118	10,295
Depreciation and amortization	745	683	1,384	1,344
Restructuring costs	677		677
Operating loss	(8,773)	(22,234)	(9,524)	(22,830)
Other significant items:
Segment assets	68,207	73,664	68,207	73,664
Inventories, net	$ 4,771	$ 676	$ 4,771	$ 676