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Vessels, subsidiaries and other property, plant and equipment, Pledged Assets (Details) - Vessel	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pledged assets [Abstract]
Number of vessels in operation	22	24	24
Number of vessels held for sale	2

X

- Definition

The number of vessels held for sale.

+ References

No definition available.

+ Details

Name:	dht_NumberOfVesselsHeldForSale
Namespace Prefix:	dht_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of vessels in operation for the business.

+ References

No definition available.

+ Details

Name:	dht_NumberOfVesselsInOperation
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