Consolidated Statements of Comprehensive Income Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 2,418	$ (69,180)
Other comprehensive loss (gain):
Foreign currency translation adjustments	(75)	55
Total other comprehensive loss (gain)	(75)	55
Comprehensive income (loss)	2,343	(69,125)
Comprehensive loss attributable to noncontrolling interests	(92)	(3,985)
Comprehensive income (loss) attributable to Sorrento	$ 2,435	$ (65,140)