Commitments and Contingencies (Details) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2017
USD ($)
item
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
|
| Commitments and Contingencies | |||
| Number of previous claims experienced | item | 0 | ||
| Rent expense | $ 18,084 | $ 14,984 | $ 8,893 |
| Future minimum unconditional purchase obligations | |||
| Estimated future minimum unconditional purchase obligations | 27,425 | ||
| Sales and use tax liability | 8,522 | 10,108 | |
| Sales and use tax receivable | $ 2,704 | $ 3,879 | |
| X | ||||||||||
- Definition Represents the number of previous claims under indemnification and guarantee clauses experienced by the entity. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of assets incurred through that date and receivable for statutory sales and use taxes, including value added tax. No definition available.
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- References No definition available.
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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| X | ||||||||||
- Definition Carrying value as of the balance sheet date of liabilities incurred through that date and payable for statutory sales and use taxes, including value added tax. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of the unrecorded obligation to transfer funds in the future for fixed or minimum amounts or quantities of goods or services at fixed or minimum prices (for example, as in take-or-pay contracts or throughput contracts). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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