Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net loss	$ (237,986)	$ (362,298)	$ (94,718)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,162	2,517	2,316
Noncash lease expense relating to operating lease right-of-use assets	3,705	0	0
Amortization of premium on marketable securities	1,792	175	0
Change in fair value of warrants and SAFE liabilities	26,126	268,266	24,471
Vendor stock-in-lieu of cash program	10,817	0	0
Impairment of inventories	2,918	4,407	1,378
Loss on sale or disposal of property and equipment	752	525	37
Loss on extinguishment of debt	0	3,996	6,124
Share-based compensation	77,684	8,711	2,702
Expense related to Volvo Warrants	959	0	0
Warranty related to sensors	1,538	0	0
Deferred taxes	(1,262)	0	0
Other	305	0	0
Changes in operating assets and liabilities:
Accounts receivable	(6,233)	(4,294)	805
Inventories	(10,751)	(4,018)	(2,454)
Prepaid expenses and other current assets	(24,340)	(2,805)	179
Other non-current assets	(6)	165	(2)
Accounts payable	3,838	2,620	(431)
Accrued and other current liabilities	3,578	6,693	(448)
Other non-current liabilities	(6,017)	(302)	(160)
Net cash used in operating activities	(148,421)	(75,642)	(60,201)
Cash flows from investing activities:
Cash received from acquisition of OptoGration, Inc.	358	0	0
Purchases of marketable securities (including $16,423 with related parties in 2021, see Note 19)	(716,933)	(315,920)	(6,908)
Proceeds from maturities of marketable securities	366,857	16,755	0
Proceeds from sales/redemptions of marketable securities (including $4,396 with related parties in 2021, see Note 19)	161,910	28,974	249
Proceeds from refundable security deposits	0	581	0
Purchases of property and equipment	(6,433)	(2,202)	(1,487)
Disposal of property and equipment	53	18	368
Net cash used in investing activities	(194,188)	(271,794)	(7,778)
Cash flows from financing activities:
Proceeds from issuance of convertible senior notes, net of debt discounts of $15,625	609,375	0	0
Purchases of capped call options	(73,438)	0	0
Cash received from Gores on recapitalization	0	380,601	0
Transaction costs related to merger with Gores	0	(17,226)	0
Issuance cost paid for Series X convertible preferred stock	0	(5,790)	0
Proceeds from the issuance of debt	0	32,101	0
Repayment of debt	(112)	(41,190)	(9,540)
Debt prepayment charges	0	(1,918)	0
Debt issuance costs	0	(361)	(5,367)
Settlement of SAFE notes	0	0	(5,609)
Principal payments on finance leases (capital leases prior to adoption of ASC 842)	(289)	(222)	(118)
Proceeds from issuance of SAFE notes	0	0	37,377
Proceeds from exercise of warrants	153,927	0	0
Proceeds from exercise of stock options	5,859	0	0
Proceeds from issuance of restricted common stock	0	0	61
Repurchases of common stock and redemption of warrants	(231,600)	(10)	(13)
Other financing activities	(130)	0	0
Net cash provided by financing activities	463,592	529,850	85,457
Net increase in cash, cash equivalents and restricted cash	120,983	182,414	17,478
Ending cash, cash equivalents and restricted cash	330,702	209,719	27,305
Beginning cash, cash equivalents and restricted cash	209,719	27,305	9,827
Supplemental disclosures of cash flow information:
Cash paid for interest	215	2,789	2,018
Supplemental disclosures of noncash investing and financing activities:
Conversion of Bridge Note into Series A convertible preferred stock	0	0	7,719
Conversion of SAFE notes into common stock	0	0	4,925
Conversion of SAFE notes into Series A convertible preferred stock	0	0	173,726
Issuance of Class A common stock upon exercise of warrants	338,293	30,112	0
Issuance of Class A common stock upon exercise of warrants	0	422,813	0
Issuance of Class A common stock for investment in Robotic Research OpCo, LLC	10,002	0	0
Issuance of Class A common stock to acquire OptoGration, Inc.	6,527	0	0
Assets acquired under finance leases (capital leases prior to adoption of ASC 842)	0	318	397
Purchases of property and equipment recorded in accounts payable and accrued liabilities	849	319	150
Amounts payable for shares repurchased	$ 4,273	0	0
Accounting Standards Update [Extensible Enumeration]	Accounting Standards Update 2016-02
Other Noncash Investing and Financing Items [Abstract]
Operating lease right-of-use assets obtained in exchange for lease obligations	$ 2,876	0	0
Accounting Standards Update 2016-02
Other Noncash Investing and Financing Items [Abstract]
Operating lease right-of-use assets obtained in exchange for lease obligations	10,849	0	0
Series X Convertible Preferred Stock
Cash flows from financing activities:
Issuance cost paid for Series X convertible preferred stock		(5,790)
Other Noncash Investing and Financing Items [Abstract]
Proceeds from issuance of preferred stock	0	183,865	0
Series A Convertible Preferred Stock
Other Noncash Investing and Financing Items [Abstract]
Proceeds from issuance of preferred stock	$ 0	$ 0	$ 68,666