Leases - Additional Information (Details) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Jan. 31, 2020 ft²	Feb. 28, 2019 ft²	Apr. 30, 2018 ft²
Debt Instrument [Line Items]
Renewal term		5 years
Number of square feet | ft²			34,158	28,805	176,222
Lease term (in months)	150 months	150 months
Amortization of operating right-of-use assets	$ 0.2	$ 0.9
Interest expense on operating right-of-use liabilities	$ 1.0	$ 1.4
Minimum
Debt Instrument [Line Items]
Leases, remaining lease term		1 year
Maximum
Debt Instrument [Line Items]
Leases, remaining lease term		12 years