Nature of Business and Plan of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Apr. 30, 2023	Apr. 06, 2023	Dec. 31, 2022
Net loss	$ (41,014)	$ (24,145)
Accumulated deficit	(1,735,086)				$ (1,694,072)
Total revenues	49,869	$ 38,078
Cash and cash equivalents	$ 201,249				$ 275,138
Secured Debt [Member]
Senior secured term loan				$ 175,000
Secured Debt [Member] | Subsequent event
Senior secured term loan			$ 175,000
Secured Debt [Member] | Senior Secured Term Loan, Tranche One [Member]
Senior secured term loan				75,000
Secured Debt [Member] | Senior Secured Term Loan, Tranche One [Member] | Subsequent event
Senior secured term loan			75,000
Secured Debt [Member] | Senior Secured Term Loan, Tranche Two [Member] | Minimum
Senior secured term loan				50,000
Secured Debt [Member] | Senior Secured Term Loan, Tranche Two [Member] | Minimum | Subsequent event
Senior secured term loan			50,000
Secured Debt [Member] | Senior Secured Term Loan, Tranche Two [Member] | Maximum
Senior secured term loan				$ 100,000
Secured Debt [Member] | Senior Secured Term Loan, Tranche Two [Member] | Maximum | Subsequent event
Senior secured term loan			$ 100,000