CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Parenthetical) (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Increase in contingent consideration, related party amounts	$ 0	$ 434	$ 0	$ 2,739
Other comprehensive income, tax expense	$ 0	$ 0	$ 0	$ 0