Name:	clay_AggregateUnderwriterCashDiscount
Namespace Prefix:	clay_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The Percentage of cash underwriting discount.

No definition available.

Name:	clay_CashUnderwritingDiscount
Namespace Prefix:	clay_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

The percentage of marketing fee of the gross proceeds of the IPO.

No definition available.

Name:	clay_PercentageOfMarketingFeeOfGrossProceedsOfIpo
Namespace Prefix:	clay_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

The cash inflow associated with the amount received from entity's first offering of stock to the public.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585

Name:	us-gaap_ProceedsFromIssuanceInitialPublicOffering
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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.

No definition available.