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Leases - Additional Information (Detail)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
USD ($)
ft²
Feb. 29, 2020
USD ($)
ft²
Dec. 31, 2019
USD ($)
Mar. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
ft²
Lessee Lease Description [Line Items]          
Operating lease, description The Company leases facilities and certain equipment under noncancelable operating leases with remaining lease terms of 0.1 year to 5.8 years, one of which includes an option to extend the lease for one five-year term.        
Operating lease, option to extend true        
Operating lease, options to extend one of which includes an option to extend the lease for one five-year term.        
Operating lease, renewal term 5 years        
Weighted average remaining lease term 4 years 10 months 24 days        
Weighted average discount rate 8.00%        
Restricted cash $ 5,770   $ 4,787 $ 4,787 $ 4,826
Corporate Office Space Lease Agreement          
Lessee Lease Description [Line Items]          
Operating leases arrangement term   10 years 7 months     10 years 9 months
Corporate Office Space Lease Agreement | Letter of Credit          
Lessee Lease Description [Line Items]          
Restricted cash $ 3,100        
California | Corporate Office Space Lease Agreement          
Lessee Lease Description [Line Items]          
Office space leases in square feet | ft² 67,020 30,608     67,020
Minimum lease payment amount $ 51,400 $ 25,300     $ 50,400
Lease commencement period third quarter of 2020        
Minimum [Member]          
Lessee Lease Description [Line Items]          
Operating lease remaining lease term 4 days        
Maximum          
Lessee Lease Description [Line Items]          
Operating lease remaining lease term 5 years 29 days