Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Components of the provision for income taxes
Federal	$ 0	$ 0	$ 0	$ 0
State	(29)	173	(187)	(402)
Deferred portion of income tax benefit	68	22,796	282	159,064
Income tax benefit	$ 39	$ 22,969	$ 95	$ 158,662
Effective tax rate	0.00%	18.90%	0.00%	20.90%

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