Number of units of equity interest issued and issuable as part of consideration transferred in asset acquisition.

No definition available.

Name:	ipsc_AssetAcquisitionConsiderationTransferredEquityInterestIssuedAndIssuableUnits
Namespace Prefix:	ipsc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of capital contribution committed.

+ References

No definition available.

+ Details

Name:	ipsc_CapitalContributionCommitted
Namespace Prefix:	ipsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of consideration due upon achievement of certain developmental milestone.

+ References

No definition available.

+ Details

Name:	ipsc_ConsiderationDueUponAchievementOfCertainDevelopmentalMilestone
Namespace Prefix:	ipsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of cash outflow from consideration at closing.

+ References

No definition available.

+ Details

Name:	ipsc_PaymentOfConsiderationAtClosing
Namespace Prefix:	ipsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from subscription receivable.

+ References

No definition available.

+ Details

Name:	ipsc_ProceedsFromSubscriptionReceivable
Namespace Prefix:	ipsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The amount of subscription receivable.

+ References

No definition available.

+ Details

Name:	ipsc_SubscriptionReceivable
Namespace Prefix:	ipsc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Term of remaining consideration due

+ References

No definition available.

+ Details

Name:	ipsc_TermOfRemainingConsiderationDue
Namespace Prefix:	ipsc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The cash outflow for cost incurred directly with the issuance of an equity security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsOfStockIssuanceCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Name:	us-gaap_ScheduleOfCapitalizationEquityLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	dei_LegalEntityAxis=ipsc_BayerHealthLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_TypeOfArrangementAxis=ipsc_AmendmentToCommitmentAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VestingAxis=us-gaap_ShareBasedCompensationAwardTrancheTwoMember
Namespace Prefix:
Data Type:	na
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Initial capitalization - Bayer Capital Contributions (Details) - USD ($) $ in Thousands			1 Months Ended		9 Months Ended	12 Months Ended
	Jun. 18, 2020	Jun. 21, 2019	Jan. 31, 2021	Nov. 30, 2020	Sep. 30, 2021	Dec. 31, 2019
Initial capitalization
Subscription receivable					$ 31,900
Bayer Health LLC
Initial capitalization
Cash capital commitment		$ 215,000
Bayer Health LLC \| Tranche 1.
Initial capitalization
Cash capital commitment		$ 145,000
Units exchanged		26,143,790
Consideration paid at closing		$ 75,000
Consideration due upon achievement of certain developmental milestone		$ 70,000
Term of remaining consideration due		3 years
Subscription receivable						$ 74,839
Equity issuance costs						161
Subscription receivable						$ 70,000
Bayer Health LLC \| Tranche 1. \| Amendment to the Commitment Agreement
Initial capitalization
Subscription receivable	$ 70,000		$ 31,900	$ 38,100
Bayer Health LLC \| Tranche2
Initial capitalization
Cash capital commitment		$ 70,000