Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
VAT receivable	$ 9,348	$ 4,925
Prepaid income tax asset	4,716	3,616
Other	3,155	3,261
Total other current assets	$ 17,219	$ 11,802