Revenue (Capitalized) (Details) $ in Thousands |
3 Months Ended | 6 Months Ended |
|---|---|---|
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2018
USD ($)
|
|
| Revenue | ||
| Amortization period of deferred sales incentive compensation | 5 years | |
| Deferred sales incentive compensation | $ 5,762 | $ 5,762 |
| Amortization expense for the deferred sales incentive compensation | $ 536 | 1,018 |
| Impairment loss for capitalized costs | $ 0 | |
| Revenue, practical expedient, incremental cost of obtaining contract | true |
| X | ||||||||||
- Definition The period of capitalized contract cost amortization. No definition available.
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| X | ||||||||||
- Definition Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of impairment loss for asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount, after accumulated amortization and accumulated impairment loss, of asset recognized from cost incurred to obtain or fulfill contract with customer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Indicates (true/false) whether practical expedient is elected to recognize incremental cost of obtaining contract as expense when incurred if amortization period would have been one year or less. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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