Segment and Customer Concentration Information - Segment Operating Results and Reconciliation to the Consolidated Balances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Revenue:
Revenue	$ 9,932	$ 6,309	$ 16,787	$ 11,622
Depreciation and amortization	1,739	675	2,544	1,332
Operating income (loss)	(104,440)	(44,201)	(186,771)	(73,445)
Other significant items:
Segment assets	775,597	626,167	775,597	626,167	$ 883,536
Inventories, net	9,349	4,318	9,349	4,318	$ 10,342
Reportable Segments
Revenue:
Revenue	15,871	9,362	27,243	17,092
Depreciation and amortization	1,739	675	2,544	1,333
Operating income (loss)	(104,864)	(44,245)	(186,771)	(73,350)
Other significant items:
Segment assets	837,754	628,869	837,754	628,869
Inventories, net	9,349	4,318	9,349	4,318
Eliminations
Revenue:
Revenue	(5,939)	(3,053)	(10,456)	(5,470)
Depreciation and amortization	0	0	0	(1)
Operating income (loss)	424	44	0	(95)
Other significant items:
Segment assets	(62,157)	(2,702)	(62,157)	(2,702)
Inventories, net	0	0	0	0
Autonomy Solutions
Revenue:
Revenue	4,179	5,822	10,077	10,158
Autonomy Solutions | Reportable Segments
Revenue:
Revenue	9,614	7,668	17,873	13,279
Depreciation and amortization	976	652	1,520	1,290
Operating income (loss)	(105,592)	(44,169)	(187,769)	(73,037)
Other significant items:
Segment assets	786,708	625,386	786,708	625,386
Inventories, net	9,022	4,288	9,022	4,288
Autonomy Solutions | Eliminations
Revenue:
Revenue	(5,435)	(1,846)	(7,796)	(3,121)
ATS
Revenue:
Revenue	5,753	487	6,710	1,464
ATS | Reportable Segments
Revenue:
Revenue	6,257	1,694	9,370	3,813
Depreciation and amortization	763	23	1,024	43
Operating income (loss)	728	(76)	998	(313)
Other significant items:
Segment assets	51,046	3,483	51,046	3,483
Inventories, net	327	30	327	30
ATS | Eliminations
Revenue:
Revenue	$ (504)	$ (1,207)	$ (2,660)	$ (2,349)