Name:	dht_NumberOfOtherEquityInstrumentsInShareBasedPaymentArrangementVestingInYearOne
Namespace Prefix:	dht_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of other equity instruments (i.e., other than share options) vesting in year three of a share-based payment arrangement.

No definition available.

Name:	dht_NumberOfOtherEquityInstrumentsInShareBasedPaymentArrangementVestingInYearThree
Namespace Prefix:	dht_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of other equity instruments (i.e., other than share options) vesting in year two of a share-based payment arrangement.

No definition available.

Name:	dht_NumberOfOtherEquityInstrumentsInShareBasedPaymentArrangementVestingInYearTwo
Namespace Prefix:	dht_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

The number of other equity instruments (ie other than share options) in a share-based payment arrangement vesting subject to certain market conditions.

No definition available.

Name:	dht_NumberOfOtherEquityInstrumentsVestingSubjectToCertainMarketConditionsInShareBasedPaymentArrangement
Namespace Prefix:	dht_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

Name:	dht_ValuationOfStockCompensationAbstract
Namespace Prefix:	dht_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 45
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_45&doctype=Standard
-URIDate 2025-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2025-01-01
-Paragraph 47
-Subparagraph b
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2025-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2025-03-27

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

The weighted average exercise price of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. [Refer: Weighted average [member]]

Name:	ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	dtr-2022:perShareItemType
Balance Type:	na
Period Type:	duration

Name:	ifrs-full_CreationDateAxis=dht_January2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_TitleOfIndividualAxis=srt_ManagementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=dht_ShareBasedPaymentArrangementVestingPriceOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_RangesOfExercisePricesForOutstandingShareOptionsAxis=dht_ShareBasedPaymentArrangementVestingPriceTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: