Segment and Customer Concentration Information - Segment Operating Results and Reconciliation to the Consolidated Balances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenue:
Total revenue	$ 40,698	$ 31,944	$ 13,951
Depreciation and amortization	6,566	4,162	2,517
Operating gain (loss)	(442,402)	(214,552)	(86,875)
Other significant items:
Segment assets	687,327	883,536	510,351
Inventories, net	8,792	10,342	3,613
Eliminations
Revenue:
Total revenue	(27,233)	(14,027)	(4,764)
Depreciation and amortization	0	0	(6)
Operating gain (loss)	(335)	(95)	102
Other significant items:
Segment assets	(125,290)	(8,939)	(4,300)
Inventories, net	(346)	0	0
Reportable Segments
Revenue:
Total revenue	67,931	45,971	18,715
Depreciation and amortization	6,566	4,162	2,523
Operating gain (loss)	(442,067)	(214,457)	(86,977)
Other significant items:
Segment assets	812,617	892,475	514,651
Inventories, net	9,138	10,342	3,613
Autonomy Solutions
Revenue:
Total revenue	24,353	28,497	11,387
Autonomy Solutions | Eliminations
Revenue:
Total revenue	(14,748)	(8,098)	(1,516)
Autonomy Solutions | Reportable Segments
Revenue:
Total revenue	39,101	36,595	12,903
Depreciation and amortization	4,110	3,723	2,395
Operating gain (loss)	(412,673)	(214,133)	(86,661)
Other significant items:
Segment assets	752,088	882,704	511,676
Inventories, net	8,664	10,179	3,604
ATS
Revenue:
Total revenue	16,345	3,447	2,564
ATS | Eliminations
Revenue:
Total revenue	(12,485)	(5,929)	(3,248)
ATS | Reportable Segments
Revenue:
Total revenue	28,830	9,376	5,812
Depreciation and amortization	2,456	439	128
Operating gain (loss)	(29,394)	(324)	(316)
Other significant items:
Segment assets	60,529	9,771	2,975
Inventories, net	$ 474	$ 163	$ 9