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v3.23.1

Vessels and subsidiaries, Pledged assets (Details) - Vessel | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Pledged assets [Abstract] |  |  |
Number of vessels | 23 | 26 | 27

X
- Definition Represents number of vessels. + References No definition available. + Details
Name: | dht_NumberOfVessels
Namespace Prefix: | dht_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | dht_PledgedAssetsAbstract
Namespace Prefix: | dht_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration