Government Grant Funding and Potential Repayment Commitments Under Recoverable Cash Advance Grants (RCAs) - Schedule of Activity for Grant Programs (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Research And Development Arrangement Contract To Perform For Others [Line Items]
Grant income	$ 491	$ 4,915
Grants receivable	4,619	4,022	$ 4,022
Grant repayable	6,042	6,164
RCA-1
Research And Development Arrangement Contract To Perform For Others [Line Items]
Grant income		855
Grants receivable	1,796	1,832
Grant repayable	5,173	5,278
RCA-2
Research And Development Arrangement Contract To Perform For Others [Line Items]
Grant income	485	435
Grants receivable	1,746	1,097
Grant repayable	869	886
Other Grants
Research And Development Arrangement Contract To Perform For Others [Line Items]
Grant income	6	3,625
Grants receivable	$ 1,077	$ 1,093

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- Definition

Amount of deferred income excluding obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 10
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28183603&loc=d3e692-112598

+ Details

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- Definition

Carrying amount as of the balance sheet date of amounts due under the terms of governmental, corporate, or foundation grants. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.8)
-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.

+ Details

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