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General information (Details) | 12 Months Ended
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Dec. 31, 2024 Subsidiaries CrudeCarrier t
Disclosure of subsidiaries [abstract] |
Number of subsidiaries | 35
Number of wholly owned subsidiaries | 31
Number of large crude carriers | CrudeCarrier | 24
Total carrying capacity | t | 7,479,177
Top of Range [Member] |
Disclosure of subsidiaries [abstract] |
Weight of tankers | t | 320,000
Bottom of Range [Member] |
Disclosure of subsidiaries [abstract] |
Weight of tankers | t | 270,000
Marshall Island [Member] |
Disclosure of subsidiaries [abstract] |
Number of wholly owned subsidiaries | 21
Number of vessel-owning subsidiaries | 17
Number of newbuilding subsidiaries | 4
Cayman Islands [Member] |
Disclosure of subsidiaries [abstract] |
Number of wholly owned subsidiaries | 7
Number of vessel-owning subsidiaries | 7
Singapore [Member] |
Disclosure of subsidiaries [abstract] |
Number of wholly owned subsidiaries | 2
Ownership interest | 53.00%
Percentage of ownership by subsidiary | 100.00%
Indirect ownership interest | 53.00%
Monegasque [Member] |
Disclosure of subsidiaries [abstract] |
Ownership interest | 99.00%
Norway [Member] |
Disclosure of subsidiaries [abstract] |
Number of wholly owned subsidiaries | 1
India [Member] |
Disclosure of subsidiaries [abstract] |
Indirect ownership interest | 53.00%

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- Definition Number of large crude carriers by the entity. + References No definition available. + Details
Name: | dht_NumberOfLargeCrudeCarriers
Namespace Prefix: | dht_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents number of newbuilding subsidiaries by the entity. + References No definition available. + Details
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Namespace Prefix: | dht_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition This element represents number subsidiaries by the entity. + References No definition available. + Details
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Namespace Prefix: | dht_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition This element represents number of vessel-owning subsidiaries by the entity. + References No definition available. + Details
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Namespace Prefix: | dht_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition This element represents number of wholly owned subsidiaries by the entity. + References No definition available. + Details
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Namespace Prefix: | dht_
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Balance Type: | na
Period Type: | duration

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- Definition The proportion of ownership interest in a subsidiary of the subsidiary. + References No definition available. + Details
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Namespace Prefix: | dht_
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Balance Type: | na
Period Type: | duration

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- Definition The proportion of indirect ownership interest in a subsidiary attributable to the entity. + References No definition available. + Details
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Namespace Prefix: | dht_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Total carrying capacity of tankers. + References No definition available. + Details
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Namespace Prefix: | dht_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | instant

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- Definition This element represents weight of tankers in different size ranges. + References No definition available. + Details
Name: | dht_WeightOfTankers
Namespace Prefix: | dht_
Data Type: | dtr-types:massItemType
Balance Type: | na
Period Type: | instant

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- References No definition available. + Details
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- Definition The proportion of ownership interest in a subsidiary attributable to the entity. [Refer: Total for all subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 17 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_17_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2024-01-01 -Paragraph 16 -Subparagraph b -Clause iii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2024-en-r&anchor=para_16_b_iii&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2024-01-01 -Paragraph 19B -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2024-en-r&anchor=para_19B_c&doctype=Standard -URIDate 2024-03-27 + Details
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Namespace Prefix: |
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