Statements of Cash Flows - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		12 Months Ended
	Jan. 31, 2021	Dec. 31, 2020	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Cash flows from operating activities
Net loss			$ (89,633)	$ (125,211)
Adjustments to reconcile net loss to cash used by operating activities:
Stock-based compensation			3,920	1,940
Other non-cash changes			4,420	19,138
Changes in assets and liabilities:
Accounts receivables				16
Prepaid expenses and other assets			9,987	(1,325)
Accounts payable			(1,490)	27,418
Accrued expenses and other liabilities			3,763	6,504
Net Cash used by operating activities			(69,033)	(71,520)
Cash flows from investing activities
Purchases of capital assets			(21,896)	(54,264)
Net Cash used by investing activities			(21,896)	(54,264)
Cash flows from financing activities
Down payment received from Foxconn			50,000
Cash proceeds from exercise of warrants	$ 82,000	$ 30,700		82,016
Issuance of common stock			477	1,050
Net Cash provided by financing activities			50,477	83,066
Decrease in cash and cash equivalents			(40,452)	(42,718)
Cash and cash equivalents, beginning balance	$ 629,761		244,016	629,761	$ 629,761
Cash and cash equivalents, ending balance		$ 629,761	203,564	587,043	$ 244,016
Non-cash items
Capital assets acquired with payables			$ 5,336	$ 4,599