Income Taxes - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Mar. 27, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2017
Income Tax Contingency [Line Items]
Effective income tax rate reconciliation, percent		0.20%	(0.50%)
Effective income tax rate reconciliation, at federal statutory income tax rate, percent		21.00%	21.00%
Deferred tax assets valuation allowance		$ 32,029	$ 21,673
Net increase (decrease) in deferred tax assets valuation allowance		10,300
Date expiring, net operating loss Carry forwards available to offset future income tax liabilities		$ 29,200
Net operating loss Carry forwards deductible at maximum rate of corporations taxable income		80.00%		100.00%
Net operating loss, available to offset rate for the taxable income limitation under the TCJA		80.00%
Operating loss carryforwards, limitations on use	0.1	0.1
Operating loss carryforwards		$ 29,000
Date expiring, net operating loss carry forwards available to offset future income tax liabilities		2040
Foreign		$ (6,906)	$ (21,646)
Date expiring, de minimis federal future tax liabilities		2040
Date expiring, state tax credit available to reduce future tax liabilities		2025
BELGIUM
Income Tax Contingency [Line Items]
Foreign		$ 69,200