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v3.23.1

Fair Value Measurements - Additional Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Fair Value Disclosures [Abstract] |  |
Fair value, assets, level 1 to level 2 transfers | $ 0 | $ 0
Fair value, assets, level 2 to level 1 transfers | 0 | 0
Fair value, assets, transfers into level 3 | 0 | 0
Fair value, assets, transfers out of level 3 | $ 0 | $ 0

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- Definition Fair value asset level 1 to level 2 transfers amount. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Fair value asset level 2 to level 1 transfers amount. + References No definition available. + Details
Name: | tcrx_FairValueAssetLevel2ToLevel1TransfersAmount
Namespace Prefix: | tcrx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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Period Type: | duration

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- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(3) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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Balance Type: | credit
Period Type: | duration