Revenue (Narrative) (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2019 |
Jun. 30, 2018 |
Jun. 30, 2019 |
Jun. 30, 2018 |
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| Revenue from Contract with Customer [Abstract] | ||||
| Increase (decrease) in contract with customer liability | $ 13,362 | |||
| Recognized deferred revenue | $ 6,865 | $ 5,737 | 16,588 | $ 13,253 |
| Deferred sales incentive compensation | 9,598 | 7,014 | 9,598 | 7,014 |
| Amortization expense for the deferred sales incentive compensation | $ 753 | $ 536 | $ 1,404 | $ 1,018 |
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- Definition Contract With Customer, Liability, Increase (Decrease) No definition available.
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- 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/disclosureRef
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- 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/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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