Revenue Recognition - Deferred Revenue Activity (Details) $ in Thousands |
3 Months Ended |
|---|---|
|
Mar. 31, 2019
USD ($)
| |
| Change In Contract With Customer, Liability Rollforward [Roll Forward] | |
| Beginning balance | $ 2,597 |
| Deferral of revenue | 561 |
| Recognition of deferred revenue | (448) |
| Ending balance | $ 2,710 |
| X | ||||||||||
- Definition Change In Contract With Customer, Liability Rollforward [Roll Forward] No definition available.
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| X | ||||||||||
- Definition Contract With Customer, Liability, Deferral Of Revenue No definition available.
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| X | ||||||||||
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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