Cumulative Payments Under Note Purchase Agreement, Including Interest

No definition available.

Name:	cnta_CumulativePaymentsUnderNotePurchaseAgreementIncludingInterest
Namespace Prefix:	cnta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Interest Rate Floor

+ References

No definition available.

+ Details

Name:	cnta_DebtInstrumentInterestRateFloor
Namespace Prefix:	cnta_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debt Instrument, Reference Rate

+ References

No definition available.

+ Details

Name:	cnta_DebtInstrumentReferenceRate
Namespace Prefix:	cnta_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Milestone Payment, Percent of Aggregate Principal Amount Issued Under the Notes

+ References

No definition available.

+ Details

Name:	cnta_MilestonePaymentPercentOfAggregatePrincipalAmountIssuedUnderTheNotes
Namespace Prefix:	cnta_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Milestone Payment, Period

+ References

No definition available.

+ Details

Name:	cnta_MilestonePaymentPeriod
Namespace Prefix:	cnta_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Note Purchase Agreement, Amount Available For Funding At The Option Of The Company And The Counterparty

+ References

No definition available.

+ Details

Name:	cnta_NotePurchaseAgreementAmountAvailableForFundingAtTheOptionOfTheCompanyAndTheCounterparty
Namespace Prefix:	cnta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Note Purchase Agreement, Deductible Amount Due to Company

+ References

No definition available.

+ Details

Name:	cnta_NotePurchaseAgreementDeductibleAmountDueToCompany
Namespace Prefix:	cnta_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Note Purchase Agreement, Percent of Aggregate Outstanding Principal Amount, Cash Balance Required

+ References

No definition available.

+ Details

Name:	cnta_NotePurchaseAgreementPercentOfAggregateOutstandingPrincipalAmountCashBalanceRequired
Namespace Prefix:	cnta_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Note Purchase Agreement, Value

+ References

No definition available.

+ Details

Name:	cnta_NotePurchaseAgreementValue
Namespace Prefix:	cnta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
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_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI https://asc.fasb.org/extlink&oid=123599511&loc=d3e64711-112823

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentTerm
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average interest rate of long-term debt outstanding calculated over time.

+ References

No definition available.

+ Details

Name:	us-gaap_LongTermDebtWeightedAverageInterestRateOverTime
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cnta_NotePurchaseAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_CounterpartyNameAxis=cnta_OberlandCapitalManagementLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cnta_SecondPurchaseNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cnta_ThirdPurchaseNoteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=cnta_InterestOnlySeniorSecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Narrative (Details) - USD ($)			1 Months Ended	3 Months Ended
Debt - Narrative (Details) - USD ($)	Nov. 07, 2022	Feb. 11, 2022	Oct. 31, 2021	Mar. 31, 2023	Mar. 31, 2022	Oct. 04, 2021
Debt Instrument [Line Items]
Debt instrument, term		6 years
Debt instrument, reference rate		7.75%
Weighted average interest rate				12.50%	8.00%
Milestone payment, percent of aggregate principal amount issued under the notes				30.00%
Milestone payment, period				5 years
Cumulative payments under note purchase agreement, including interest				$ 11,100,000
Note purchase agreement, deductible amount due to company				$ 100,000,000
Note purchase agreement, percent of aggregate outstanding principal amount, cash balance required	90.00%
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		0.25%
Note Purchase Agreement
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage of principal amount redeemed				75.00%
Note Purchase Agreement \| Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				175.00%
Note Purchase Agreement \| Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				185.00%
Note Purchase Agreement \| Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage				205.00%
Oberland Capital
Debt Instrument [Line Items]
Note purchase agreement, value		$ 300,000,000	$ 300,000,000			$ 75,000,000
Note purchase agreement, amount available for funding at the option of the company and counterparty		100,000,000	$ 100,000,000
Oberland Capital \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, term			6 years
Oberland Capital \| Second Purchase Note
Debt Instrument [Line Items]
Note purchase agreement, value		75,000,000
Oberland Capital \| Third Purchase Note
Debt Instrument [Line Items]
Note purchase agreement, value		$ 50,000,000
Oberland Capital \| Interest Only, Senior Secured Notes \| Senior Notes
Debt Instrument [Line Items]
Debt instrument, interest rate floor		8.00%