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CONDENSED STATEMENTS OF OPERATIONS (Parenthetical)	Sep. 30, 2021 shares
Class B Common Stock
Shares subject to forfeiture	1,125,000

X

- Definition

The number of shares owned by the founders subject to forfeiture if the underwriter overallotment option is not exercised in the proposed public offering.

+ References

No definition available.

+ Details

Name:	cndb_NumberOfSharesSubjectToForfeiture
Namespace Prefix:	cndb_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: