Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Statement of Comprehensive Income [Abstract]
Net income	$ (84,547)	$ (58,859)	$ 63,087
Other comprehensive income
Unrealized gain on available for sale securities, net of tax	3	0	0
Other comprehensive income	3	0	0
Comprehensive income (loss)	$ (84,544)	$ (58,859)	$ 63,087