Leases - Additional Information (Detail) $ in Millions	3 Months Ended
Mar. 31, 2021 USD ($) renewalOption	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Lessee, Lease, Description [Line Items]
Restricted cash	$ 3.2	$ 3.2	$ 3.2
Cost	3.4	2.5
Payments	$ 2.6	$ 2.1
Weighted average remaining lease term	9 years 9 months 18 days		10 years 3 months 18 days
Weighted average discount rate	5.30%		5.60%
12780 El Camino Real Master Lease
Lessee, Lease, Description [Line Items]
Number of renewal options \| renewalOption	2
Renewal term	10 years
Letter of Credit
Lessee, Lease, Description [Line Items]
Restricted cash	$ 3.2

The number of renewal options under the terms of the lease.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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- Definition

Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.

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- Definition

Weighted average discount rate for operating lease calculated at point in time.

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Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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