Leases - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Leases [Abstract]
Lease expiration month and year			2021-03
Operating lease, rental expense	$ 1.0	$ 0.1	$ 2.0	$ 0.5
Cash paid for operating lease	$ 1.2	$ 0.5	$ 2.4	$ 0.6
Operating lease, weighted average remaining lease term	3 years 29 days		3 years 29 days
Operating lease, weighted average discount rate, percent	5.14%		5.14%