Income Taxes - Summary of Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	$ 14,344
Balance, end of period	30,165	$ 14,344
Domestic
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	6,128	2,271
Balance, end of period	20,601	6,128
Foreign
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance, beginning of period	8,216	8,571
Balance, end of period	9,564	8,216
Impact of foreign exchange on beginning of period balance | Foreign
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance	1,348	240
Provision charged to expense | Domestic
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance	5,177	3,949
Provision charged to expense | Foreign
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance	0	(595)
Impact of reclassification of embedded conversion feature to additional paid-in capital | Domestic
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance	9,290	0
Provision adjusted through equity | Domestic
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Increase (decrease) in valuation allowance	$ 6	$ (92)