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Revenue Recognition - Summary of Balances and Activities Deferred Revenue Accounts (Details) $ in Thousands | 6 Months Ended
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Jun. 30, 2021 USD ($)
Deferred Revenue Arrangement [Line Items] |
Balance at Beginning of Period | $ 38,212
Balance at End of Period | 129,557
CpG 1018 |
Deferred Revenue Arrangement [Line Items] |
Balance at Beginning of Period | 38,212
Additions | 140,596
Subtractions | (12,199)
Revenue recognized in the current period included in deferred revenue balance at the beginning of the period | (37,052)
Balance at End of Period | 129,557
Long-term Deferred Revenue | CpG 1018 |
Deferred Revenue Arrangement [Line Items] |
Additions | 109,532
Subtractions | (2,582)
Balance at End of Period | $ 106,950

X
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(5)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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Balance Type: | credit
Period Type: | instant

X
- Definition Amount of deferred revenue recognized for transactions arising during the current reporting period. Deferred revenue is a liability as of the balance sheet date related to a revenue producing activity for which revenue has not yet been recognized. Generally, an Entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of cash outflow to customers for refund payments of revenue that was previously reported as deferred or unearned revenue. + References No definition available. + Details
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- Definition Amount of revenue recognized that was previously reported as deferred or unearned revenue. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | duration

X
- Details
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- Details
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Balance Type: |
Period Type: |