Amount of accumulated interest costs capitalized as part of property, plant and equipment cost basis.

No definition available.

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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- Definition

Finance Lease, Right-Of-Use Asset, Accumulated Depreciation

+ References

No definition available.

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Balance Sheet Components - Narative (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Depreciation and amortization expense	$ 200	$ 200	$ 400	$ 400
Property and equipment	20,568		20,568		$ 11,916
Finance lease, accumulated amortization	19		19
Property and equipment, gross	47,708		47,708		38,275
Accumulated capitalized interest costs	1,000		1,000
Assets Held Under Finance Leases
Property, Plant and Equipment [Line Items]
Property and equipment	54		54
Assets Held Under Finance Leases
Property, Plant and Equipment [Line Items]
Property and equipment					$ 24
Construction in Progress, Build-to-suit
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 10,900		$ 10,900