Nature of Business and Plan of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Net loss	$ (24,145)	$ (34,051)
Accumulated deficit	(1,495,288)		$ (1,471,143)
Total revenues	38,078	$ 15,706
Cash and cash equivalents	$ 437,661		$ 478,750
Number of months Capital resources meets capital expenditures	12 months
Product
Total revenues	$ 0