Balance Sheet Components - Summary of Depreciation and Amortization Expense of Property and Equipment and Rental Equipment (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
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Jun. 30, 2017 |
Jun. 30, 2016 |
Jun. 30, 2017 |
Jun. 30, 2016 |
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Property Plant And Equipment [Line Items] | ||||
Depreciation | $ 2,522 | $ 2,908 | $ 5,211 | $ 5,855 |
Depreciation and amortization | 2,992 | 3,404 | 6,169 | 6,829 |
Equipment | ||||
Property Plant And Equipment [Line Items] | ||||
Depreciation | 2,522 | 2,908 | 5,211 | 5,855 |
Other property and equipment | ||||
Property Plant And Equipment [Line Items] | ||||
Depreciation and amortization | $ 470 | $ 496 | $ 958 | $ 974 |
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- Definition The expense recognized in the current period that allocates the cost of a tangible asset used in providing revenue generating services over the asset's useful life. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. No definition available.
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