Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Commitments And Contingencies [Line Items]
Lessee operating lease, expiration year			2028
Rent expense	$ 2.1	$ 1.8	$ 4.2	$ 3.6
Office Equipment
Commitments And Contingencies [Line Items]
Lessee operating lease, expiration year			2025