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Collaboration and Licensing Agreements - Deferred Revenue (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2023 | Jun. 30, 2022
Deferred revenue - current |  |
Beginning balance | $ 4,211 |
Ending balance | 5,959 |
Deferred revenue - non-current |  |
Beginning balance | 9,025 |
Ending balance | 9,238 |
2017 KKC Agreement |  |
Deferred revenue - current |  |
Beginning balance | 4,211 | $ 0
Increases due to cash received, excluding amounts recognized as revenue during the period | 816 | 0
Increases due to amounts reclassified from non-current, to be recognized in the next twelve months | 3,265 |
Decreases due to revenue recognized in the period for which cash has not been received | (2,333) | 0
Ending balance | 5,959 | 0
Deferred revenue - non-current |  |
Beginning balance | 9,025 | 4,727
Increases due to cash received during the period | 3,478 | 3,829
Increases to amounts invoiced, for which cash has not yet been received | 0 | 3,865
Decreases due to amounts reclassified as current, to be recognized in the next twelve months | (3,265) | 0
Ending balance | $ 9,238 | $ 12,421

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- Definition Change In Contract With Customer Liability, Noncurrent, Rollforward + References No definition available. + Details
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- Definition Contract With Customer, Liability, Decrease In Revenue, To Be Recognized In Next Twelve Months + References No definition available. + Details
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- Definition Contract With Customer, Liability, Increase For Amounts Invoiced + References No definition available. + Details
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- Definition Contract With Customer, Liability, Increases Due To Cash Received, Excluding Amounts Recognized As Revenue During The Period + References No definition available. + Details
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- Definition Contract With Customer, Liability, Revenue Recognized Cash Not Received, Current + References No definition available. + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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