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

No definition available.

Name:	dhacu_ClassOfWarrantOrRightPriceOfWarrantsOrRights
Namespace Prefix:	dhacu_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the anticipated business time line in months for completing a business combination.

+ References

No definition available.

+ Details

Name:	dhacu_MonthsToCompleteAcquisitionPeriod
Namespace Prefix:	dhacu_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of shares which the reporting entity is obligated to redeem if a business combination is not consummated using the offering proceeds within a specified period.

+ References

No definition available.

+ Details

Name:	dhacu_PercentageObligationToRedeemPublicSharesIfEntityDoesNotCompleteBusinessCombination
Namespace Prefix:	dhacu_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The recorded receivable from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

No definition available.

+ Details

Name:	dhacu_ProceedsFromIssuanceOfWarrantsIncludedInSubscriptionReceivable
Namespace Prefix:	dhacu_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Represents the amount of offering fees incurred and paid for underwriters.

+ References

No definition available.

+ Details

Name:	dhacu_SaleOfStockUnderwritingFees
Namespace Prefix:	dhacu_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

+ References

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

+ Details

Name:	us-gaap_ProceedsFromIssuanceOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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_SubsidiarySaleOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_PrivatePlacementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

PRIVATE PLACEMENT (Details) - USD ($)			9 Months Ended
PRIVATE PLACEMENT (Details) - USD ($)	Nov. 12, 2021	Nov. 08, 2021	Sep. 30, 2023
PRIVATE PLACEMENT
Underwriting fees			$ 1,955,000
Months to complete acquisition			21 months
Obligation to redeem public shares if entity does not complete a Business Combination (as a percent)			100.00%
Private Placement \| Private Placement Warrants
PRIVATE PLACEMENT
Number of warrants to purchase shares issued		557,000
Price of warrants		$ 10.00
Aggregate purchase price	$ 5,570,000	$ 3,680,000
Receivable recorded from the sale of private placement warrants		1,890,000
Underwriting fees		$ 0
Months to complete acquisition			21 months
Obligation to redeem public shares if entity does not complete a Business Combination (as a percent)			100.00%