Summary of Significant Accounting Policies - Allowance for Credit Losses (Details) - Subscription Service Receivable $ in Thousands |
12 Months Ended |
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Dec. 31, 2020
USD ($)
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| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |
| Balance Beginning of Period | $ 0 |
| Provision for credit losses | (2,436) |
| Write-offs | 1,978 |
| Balance End of Period | (2,085) |
| Cumulative Effect, Period of Adoption, Adjustment | |
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |
| Balance Beginning of Period | (1,627) |
| Cumulative Effect, Period of Adoption, Adjusted Balance | |
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |
| Balance Beginning of Period | $ (1,627) |
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- Definition Amount of allowance for credit loss for right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of writeoff of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, charged against allowance for credit loss. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expense (reversal of expense) for expected credit loss on right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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