Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands		2 Months Ended	12 Months Ended
	Dec. 13, 2018	Feb. 22, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Loss Contingencies [Line Items]
Rent expense under operating lease			$ 4,200	$ 2,900	$ 1,800
Purchase of intangible assets			558	$ 1,024	$ 3,495
Initial deposit	$ 200
Open purchase order			66,600
Self-insurance on product claim			5,000
Letters of credit outstanding amount			3,100
Surety Bond
Loss Contingencies [Line Items]
Bonds outstanding			14,100
Expiring May 2018 | Surety Bond
Loss Contingencies [Line Items]
Letters of credit outstanding amount			3,100
Expiring in 2018 | Surety Bond
Loss Contingencies [Line Items]
Bonds outstanding			400
Expiring in 2020 | Surety Bond
Loss Contingencies [Line Items]
Bonds outstanding			700
Expiring in 2021 | Surety Bond
Loss Contingencies [Line Items]
Outstanding surety bonds expected to be released during period			2,300
Expiring in 2022 | Surety Bond
Loss Contingencies [Line Items]
Outstanding surety bonds expected to be released during period			3,100
Expiring in 2023 and thereafter | Surety Bond
Loss Contingencies [Line Items]
Outstanding surety bonds expected to be released during period			$ 7,600
Minimum
Loss Contingencies [Line Items]
Operating leases, term (ranging from less than one year)			1 year
Maximum
Loss Contingencies [Line Items]
Operating leases, term (ranging from less than one year)			5 years
Lease Agreements
Loss Contingencies [Line Items]
Useful Life	84 years
Purchase of intangible assets	$ 13,100
Plan | Subsequent Event
Loss Contingencies [Line Items]
Prepaid rent under the lease		$ 10,900