Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 28,317	$ (92,166)	$ (170,521)
Other comprehensive income (loss):
Unrealized gain (loss) on investments	(431)	(344)	6
Gain (loss) on foreign currency translation adjustments	(3,262)	(3,450)	4,502
Release of cumulative foreign currency translation adjustments to net loss from discontinued operations	0	0	26,957
Comprehensive Income (loss)	$ 24,624	$ (95,960)	$ (139,056)