Leases - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Leases [Abstract]
Lease expiration month and year			2021-03
Operating lease, rental expense	$ 1.0	$ 0.6	$ 3.0	$ 1.1
Cash paid for operating lease	$ 0.9	$ 0.5	$ 2.7	$ 0.9
Operating lease, weighted average remaining lease term	2 years 9 months 29 days		2 years 9 months 29 days
Operating lease, weighted average discount rate, percent	5.14%		5.14%