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Equity Incentive Plans - Summary of Operational Milestone Based on Revenue or Adjusted EBITDA (Detail) - Chief Executive Officer [Member] - 2018 CEO Performance Award [Member] $ in Billions | 6 Months Ended
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Jun. 30, 2019 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
Total annualized revenue of operational milestone, one | $ 20.0
Total annualized revenue of operational milestone, two | 35.0
Total annualized revenue of operational milestone, three | 55.0
Total annualized revenue of operational milestone, four | 75.0
Total annualized revenue of operational milestone, five | 100.0
Total annualized revenue of operational milestone, six | 125.0
Total annualized revenue of operational milestone, seven | 150.0
Total annualized revenue of operational milestone, eight | 175.0
Annualized Adjusted EBITDA of operational milestone, one | 1.5
Annualized Adjusted EBITDA of operational milestone, two | 3.0
Annualized Adjusted EBITDA of operational milestone, three | 4.5
Annualized Adjusted EBITDA of operational milestone, four | 6.0
Annualized Adjusted EBITDA of operational milestone, five | 8.0
Annualized Adjusted EBITDA of operational milestone, six | 10.0
Annualized Adjusted EBITDA of operational milestone, seven | 12.0
Annualized Adjusted EBITDA of operational milestone, eight | $ 14.0

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- Definition Operational milestone based on adjusted EBITDA eight. + References No definition available. + Details
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- Definition Operational milestone based on adjusted EBITDA five. + References No definition available. + Details
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- Definition Operational milestone based on Adjusted EBITDA four. + References No definition available. + Details
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- Definition Operational milestone based on adjusted EBITDA one. + References No definition available. + Details
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- Definition Operational milestone based on adjusted EBITDA seven. + References No definition available. + Details
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- Definition Operational milestone based on adjusted EBITDA six. + References No definition available. + Details
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- Definition Operational milestone based on adjusted EBITDA three. + References No definition available. + Details
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- Definition Operational milestone based on adjusted EBITDA two. + References No definition available. + Details
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- Definition Operational milestone based on revenue eight. + References No definition available. + Details
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- Definition Operational milestone based on revenue five. + References No definition available. + Details
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- Definition Operational milestone based on revenue four. + References No definition available. + Details
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- Definition Operational milestone based on revenue one. + References No definition available. + Details
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- Definition Operational milestone based on revenue seven. + References No definition available. + Details
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- Definition Operation milestone based on revenue six. + References No definition available. + Details
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- Definition Operational milestone based on revenue three. + References No definition available. + Details
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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. + Details
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