Organization and Basis of Presentation - Additional Information (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Oct. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Deconsolidation, loss, amount				$ 2,648
Proceeds from sales of equity securities	$ 21,587	$ 0	$ 0	23,456
Unrealized and realized appreciation in fair value of equity securities and preferred stock, net	$ 7,348	0	(106)	7,833
Net income (loss) attributable to parent		(92,166)	(170,521)	$ (322,324)
Accumulated deficit		$ (1,915,556)	$ (1,823,390)