Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Components of the provision for income taxes
Federal	$ 0	$ 0	$ 0	$ 0
State	0	(236)	(158)	(575)
Deferred portion of income tax benefit	162	36,921	214	136,268
Income tax benefit	$ 162	$ 36,685	$ 56	$ 135,693
Effective tax rate	0.10%	29.10%	0.00%	21.30%

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