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Condensed Financial Information of DHT Holdings, Inc. (parent company only) (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Condensed Financial Information of DHT Holdings, Inc. (parent company only) [Abstract]
Percentage of restricted net assets of consolidated subsidiaries exceeds of consolidated net assets	25.00%	25.00%	25.00%

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- References

No definition available.

+ Details

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

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- Definition

Percentage of restricted net assets of consolidated subsidiaries exceeds of consolidated net assets.

+ References

No definition available.

+ Details

Name:	dht_PercentageOfRestrictedNetAssets
Namespace Prefix:	dht_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration