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Summary of Significant Accounting Policies - Property, Plant, and Equipment (Details) | 12 Months Ended
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Dec. 31, 2017
Computers, software and equipment | Minimum |
Property and Equipment |
Estimated useful lives of the assets | 3 years
Computers, software and equipment | Maximum |
Property and Equipment |
Estimated useful lives of the assets | 5 years
Furniture and fixtures | Minimum |
Property and Equipment |
Estimated useful lives of the assets | 5 years
Furniture and fixtures | Maximum |
Property and Equipment |
Estimated useful lives of the assets | 7 years
Leasehold improvements | Minimum |
Property and Equipment |
Estimated useful lives of the assets | 5 years
Leasehold improvements | Maximum |
Property and Equipment |
Estimated useful lives of the assets | 7 years

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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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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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- Details
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