Leases - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 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
Amortization of operating right-of-use assets	$ 0.7
Interest expense on operating right-of-use liabilities	$ 0.4
Minimum
Debt Instrument [Line Items]
Leases, remaining lease term	1 year
Maximum
Debt Instrument [Line Items]
Leases, remaining lease term	12 years