Segment and Customer Concentration Information - Segment Operating Results and Reconciliation to the Consolidated Balances (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenue:
Revenue	$ (12,785)	$ (7,978)	$ (29,572)	$ (19,600)
Depreciation and amortization	1,830	908	4,374	2,240
Operating income (loss)	(114,954)	(70,145)	(301,725)	(143,590)
Other significant items:
Segment assets	742,508	607,806	742,508	607,806	$ 883,536
Inventories, net	9,153	7,871	9,153	7,871	$ 10,342
Reportable Segments
Revenue:
Revenue	(22,205)	(11,873)	(49,448)	(28,965)
Depreciation and amortization	1,830	908	4,374	2,241
Operating income (loss)	(114,733)	(70,401)	(301,504)	(143,751)
Other significant items:
Segment assets	818,241	617,495	818,241	617,495
Inventories, net	9,374	7,871	9,374	7,871
Eliminations
Revenue:
Revenue	9,420	3,895	19,876	9,365
Depreciation and amortization	0	0	0	(1)
Operating income (loss)	(221)	256	(221)	161
Other significant items:
Segment assets	(75,733)	(9,689)	(75,733)	(9,689)
Inventories, net	(221)	0	(221)	0
Autonomy Solutions
Revenue:
Revenue	(6,777)	(7,550)	(16,854)	(17,708)
Autonomy Solutions | Reportable Segments
Revenue:
Revenue	(10,639)	(9,929)	(28,512)	(23,208)
Depreciation and amortization	1,176	673	2,696	1,963
Operating income (loss)	(116,601)	(69,614)	(304,370)	(142,651)
Other significant items:
Segment assets	765,241	606,431	765,241	606,431
Inventories, net	8,838	7,531	8,838	7,531
Autonomy Solutions | Eliminations
Revenue:
Revenue	3,862	2,379	11,658	5,500
ATS
Revenue:
Revenue	(6,008)	(428)	(12,718)	(1,892)
ATS | Reportable Segments
Revenue:
Revenue	(11,566)	(1,944)	(20,936)	(5,757)
Depreciation and amortization	654	235	1,678	278
Operating income (loss)	1,868	(787)	2,866	(1,100)
Other significant items:
Segment assets	53,000	11,064	53,000	11,064
Inventories, net	536	340	536	340
ATS | Eliminations
Revenue:
Revenue	$ 5,558	$ 1,516	$ 8,218	$ 3,865