Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2021	Mar. 31, 2020
Components of the provision for income taxes
Federal	$ 0	$ 0
State	(158)	(339)
Deferred portion of income tax benefit	52	99,347
Income tax (expense) benefit	$ (106)	$ 99,008
Effective tax rate	0.00%	19.40%

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