Leases - Additional Information (Details) ft² in Thousands, $ in Thousands	1 Months Ended	12 Months Ended
	Aug. 31, 2019 USD ($) ft²	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Long-term lease liabilities		$ 5,526	$ 6,729
Present value of lease payments		2,992	5,200
Finance lease, right of use asset		2,400	5,900
Operating lease, right of use asset	$ 1,200	1,930	5,073
Operating lease, expense		4,400	4,400
Amortization of right-of-use assets		1,471	2,149
Square feet under lease | ft²	21
Operating leases, term of contract	3 years 6 months
Cumulative Effect, Period of Adoption, Adjustment
Lessee, Lease, Description [Line Items]
Present value of lease payments	$ 1,200
General and Administrative Expense
Lessee, Lease, Description [Line Items]
Amortization of right-of-use assets		600	500
Consumables
Lessee, Lease, Description [Line Items]
Operating lease, expense		$ 3,800	$ 3,900