Nature of Operations - Consolidated Statements of Stockholders' Equity (Details) - USD ($) $ in Thousands	3 Months Ended									12 Months Ended
	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020		Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020		Dec. 31, 2019		Dec. 31, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity	$ 1,294,645				$ 1,109,265	[1],[2]				$ 1,294,645	$ 1,109,265	[1],[2]	$ 1,377,964	[1]	$ 1,500,448	[1]
Net loss	(5,127)	$ (43,443)	$ (56,487)	$ (30,761)	(281,050)		$ (14,814)	$ (89,415)	$ 36,460	(135,818)	(348,819)	[1],[3],[4],[5]	(157,639)	[1],[3],[4],[5]
As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity					1,118,829						1,118,829		1,383,717		1,503,738
Net loss											(345,008)		(155,176)
Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity					(9,564)						(9,564)		(5,753)		(3,290)
Net loss											(3,811)		(2,463)
As Revised
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity					1,109,265						1,109,265		1,377,964		1,500,448
Net loss											(348,819)		(157,639)
Accumulated Deficit
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity	$ (897,784)				(761,966)	[1]				(897,784)	(761,966)	[1]	(412,508)	[1]	(254,869)	[1]
Net loss										$ (135,818)	(348,819)	[1]	(157,639)	[1]
Accumulated Deficit | As Previously Reported
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity					(752,402)						(752,402)		(406,755)		(251,579)
Net loss											(345,008)		(155,176)
Accumulated Deficit | Adjustments
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity					(9,564)						(9,564)		(5,753)		(3,290)
Net loss											(3,811)		(2,463)
Accumulated Deficit | As Revised
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Total Stockholders’ Equity					$ (761,966)						(761,966)		(412,508)		$ (254,869)
Net loss											$ (348,819)		$ (157,639)

[1] Accumulated deficit and total stockholders’ equity as of December 31, 2020, 2019 and 2018, and net loss for the years ended December 31, 2020 and 2019 have been revised. For further details refer to “Note 1. Nature of Operations.”

[2] The consolidated balance sheet as of December 31, 2020 has been revised. For further details refer to “Note 1. Nature of Operations.”

[3] The consolidated statements of cash flows for the years ended December 31, 2020 and 2019 have been revised. For further details refer to “Note 1. Nature of Operations.”

[4] The consolidated statements of comprehensive income (loss) for the years ended December 31, 2020 and 2019 have been revised. For further details refer to “Note 1. Nature of Operations.”

[5] The consolidated statements of income (loss) for the years ended December 31, 2020 and 2019 have been revised. For further details refer to “Note 1. Nature of Operations.”