Condensed Consolidated Statements of Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net loss	$ (11,310)	$ (12,307)	$ (45,550)	$ (25,506)
Foreign currency translation adjustment	2,734	(1,293)	494	(681)
Unrealized translation gain (loss) on foreign currency denominated intercompany loans	3,927	(3,610)	(3,254)	(3,610)
Unrealized loss on interest rate swaps	(441)	(3,379)	(35,497)	(3,379)
Comprehensive loss	$ (5,090)	$ (20,589)	$ (83,807)	$ (33,176)