Collaboration and License Agreements - Schedule of Reconciliation of Deferred Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Disaggregation Of Revenue [Line Items]
Beginning Balance	$ 6,473	$ 1,542
Amounts received/credited	16,528	6,160
Revenue recognized	(3,129)	(1,229)
Ending Balance	19,872	6,473
Takeda Collaboration Agreement
Disaggregation Of Revenue [Line Items]
Beginning Balance	1,710	1,542
Amounts received/credited	(150)	960
Revenue recognized	(379)	(792)
Ending Balance	1,181	1,710
Falk Agreement \| Falk
Disaggregation Of Revenue [Line Items]
Beginning Balance	4,763
Amounts received/credited	16,678	5,200
Revenue recognized	(2,750)	(437)
Ending Balance	$ 18,691	$ 4,763

Deferred revenue received during period.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 8
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045

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- 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

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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.

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