Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
VAT receivable	$ 10,399	$ 9,348
Income tax receivable	4,878	4,716
Prepaid and other current assets	2,710	3,155
Total other current assets	$ 17,987	$ 17,219