Leases - Additional Information (Detail) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($) Agreement
Lessee Lease Description [Line Items]
Operating lease, option to extend	Certain leases contain options to extend the initial term at the Company’s discretion
Operating lease, existence of option to extend [true false]	true
Number of lease agreements assigned to third parties | Agreement	2
Future lease obligation under sublease arrangements | $	$ 2.8
Property One [Member]
Lessee Lease Description [Line Items]
Lease termination dates	2020-11
Property Two [Member]
Lessee Lease Description [Line Items]
Lease termination dates	2022-02
Minimum [Member]
Lessee Lease Description [Line Items]
Term of lease contract	1 year
Maximum [Member]
Lessee Lease Description [Line Items]
Term of lease contract	15 years