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Leases - Lease Cost and Other Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Operating lease cost	$ 7,478	$ 4,643
Short-term lease cost	1,852	850
Variable lease costs	1,002	0
Total lease cost	10,332	5,493
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	(7,478)	(4,643)
Leased assets obtained in exchange for new operating lease liabilities	26,528	1,285
Leased assets obtained in exchange for new financing lease liabilities	$ 5,562	$ 0
Weighted-average remaining lease term (years) for operating leases	3 years 6 months 21 days	4 years
Weighted-average discount rate operating leases	6.00%	0.00%
Weighted-average remaining lease term (years) for finance lease	2 years 11 months 1 day	0 years
Weighted-average discount rate finance lease	1.80%	0.00%

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Weighted average discount rate for finance lease calculated at point in time.

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Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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