XML 99 R71.htm IDEA: XBRL DOCUMENT v3.25.0.1

Leases - 704 Quince Orchard Road Leases (Narrative) (Details) - operating_lease	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Operating Leased Assets [Line Items]
Weighted-average discount rate	11.70%	9.90%
704 Quince Orchard Road Leases
Operating Leased Assets [Line Items]
Number of acquired operating leases	2
Weighted-average discount rate	11.50%

X

- Definition

Number Of Acquired Operating Leases

+ References

No definition available.

+ Details

Name:	rnac_NumberOfAcquiredOperatingLeases
Namespace Prefix:	rnac_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Weighted average discount rate for operating lease calculated at point in time.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (g)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

+ Details

Name:	us-gaap_OperatingLeaseWeightedAverageDiscountRatePercent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

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

X

- Details

Name:	rnac_LeaseArrangementAxis=rnac_A704QuinceOrchardRoadLeasesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: