Revenue Recognition - Deferred revenues (Details) - USD ($) $ in Thousands |
9 Months Ended | ||
|---|---|---|---|
Sep. 30, 2021 |
Dec. 31, 2020 |
Jan. 01, 2020 |
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| Revenue from Contract with Customer [Abstract] | |||
| Deferred revenue at beginning of period | $ 753 | ||
| Deferred revenue recognized during period | (25,354) | ||
| Additions to deferred revenue during period | 25,259 | ||
| Deferred revenue at end of period | 658 | ||
| Deferred revenue recognized | 753 | ||
| Accounts receivable | $ 1,114 | $ 185 | $ 151 |
| X | ||||||||||
- Definition Amount of addition to deferred revenue. No definition available.
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- 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, and from current period increase in contract liability. No definition available.
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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://www.xbrl.org/2003/role/disclosureRef
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- 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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