Name:	dhhcu_AggregateMaximumSharesCommittedToPurchaseAndBeneficiallyOwnNoLaterThanSpecifiedPeriodPriorToSpecialMeetingOfStockholders
Namespace Prefix:	dhhcu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Maximum number of ordinary shares that will be converted to Earn Out shares, if threshold balance of Cash is not available at the Closing.

No definition available.

Name:	dhhcu_AggregateSharesCommittedToPurchaseAndNotRedeem
Namespace Prefix:	dhhcu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Price per share or per unit of warrants or rights outstanding.

No definition available.

Name:	dhhcu_ClassOfWarrantOrRightPriceOfWarrantsOrRights
Namespace Prefix:	dhhcu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

Threshold volume weighted average stock price trigger for Earn-Out milestones.

No definition available.

Name:	dhhcu_EarnoutMilestonesThresholdVolumeWeightedAverageStockPriceTrigger
Namespace Prefix:	dhhcu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

Number of consecutive trading days considered for volume weighted average stock price trigger of the Earn-Out milestones.

No definition available.

Name:	dhhcu_EarnoutMilestonesVolumeWeightedAverageStockPriceTriggerNumberOfConsecutiveTradingDays
Namespace Prefix:	dhhcu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Number of trading days considered for volume weighted average stock price trigger of the Earn-Out milestones.

No definition available.

Name:	dhhcu_EarnoutMilestonesVolumeWeightedAverageStockPriceTriggerNumberOfTradingDays
Namespace Prefix:	dhhcu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Amount of maximum borrowing capacity of related party promissory note.

No definition available.

Name:	dhhcu_MaximumBorrowingCapacityOfRelatedPartyPromissoryNote
Namespace Prefix:	dhhcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The maximum amount which a potential loan could have repaid through issuance of warrants.

No definition available.

Name:	dhhcu_MaximumLoansConvertibleIntoWarrants
Namespace Prefix:	dhhcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Threshold closing balance of Cash that will trigger conversion of ordinary shares to Earn Out shares.

No definition available.

Name:	dhhcu_MaximumNumberOfOrdinarySharesThatWillBeConvertedToEarnOutShares
Namespace Prefix:	dhhcu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of Earn Out shares that the Sponsor has agreed no to transfer pursuant to the Sponsor Support Agreement.

No definition available.

Name:	dhhcu_NumberOfEarnoutSharesThatHasBeenAgreedNotToTransfer
Namespace Prefix:	dhhcu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of shares agreed to be forfeited by the holder, pursuant to an agreement.

No definition available.

Name:	dhhcu_NumberOfSharesAgreedToBeForfeited
Namespace Prefix:	dhhcu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of shares automatically forfeited, in the event an Investor fails to make the committed purchase, pursuant to an agreement.

No definition available.

Name:	dhhcu_NumberOfSharesAutomaticallyForfeitedInEventInvestorFailsToMakeCommittedPurchase.
Namespace Prefix:	dhhcu_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

Number of tranches in which the Earn Out Shares are issuable by the entity.

No definition available.

Name:	dhhcu_NumberOfTranchesForIssuanceOfEarnOutShares
Namespace Prefix:	dhhcu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Percentage of warrants agreed to be forfeited by the holder pursuant to an agreement.

No definition available.

Name:	dhhcu_PercentageOfWarrantsAgreedToBeForfeited
Namespace Prefix:	dhhcu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

The contractual monthly amount to be paid for support services.

No definition available.

Name:	dhhcu_RelatedPartyTransactionExpensesFromTransactionsWithRelatedPartyPerMonth
Namespace Prefix:	dhhcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Specified period prior to the special meeting of stockholders to consider matters relating to the proposed Merger, before which the aggregate maximum shares are committed to be purchased and beneficially owned by the holder.

No definition available.

Name:	dhhcu_SpecifiedPeriodPriorToSpecialMeetingOfStockholdersBeforeWhichAggregateMaximumSharesAreCommittedToBePurchasedAndBeneficiallyOwned
Namespace Prefix:	dhhcu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Threshold closing balance of Cash that will trigger conversion of ordinary shares to Earn Out shares.

No definition available.

Name:	dhhcu_ThresholdClosingBalanceOfCashToTriggerConversionOfOrdinarySharesToEarnoutShares
Namespace Prefix:	dhhcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

The amount represents the working capital loans outstanding.

No definition available.

Name:	dhhcu_WorkingCapitalLoansOutstanding
Namespace Prefix:	dhhcu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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.

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

Number of new stock issued during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_StockIssuedDuringPeriodSharesNewIssues
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Name:	us-gaap_RelatedPartyTransactionAxis=dhhcu_PromissoryNoteWithRelatedPartyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionAxis=dhhcu_AdministrativeSupportAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionAxis=dhhcu_RelatedPartyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_ClassOfWarrantOrRightAxis=dhhcu_WorkingCapitalLoansWarrantMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionAxis=dhhcu_SponsorSupportAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=dhhcu_TriggeringEventIMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=dhhcu_TriggeringEventIiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_StatementScenarioAxis=dhhcu_TriggeringEventIiiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_RelatedPartyTransactionAxis=dhhcu_FinancingCommitmentLetterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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