Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net loss	$ 21,611	$ 26,778
Other comprehensive income:
Unrealized loss on available-for-sale securities	(251)	(15)
Comprehensive loss	$ 21,862	$ 26,793

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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+ Details