XML 95 R79.htm IDEA: XBRL DOCUMENT v3.19.1

Events after the reporting date (Details Text) - USD ($)	3 Months Ended	12 Months Ended
	Feb. 26, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Dividend Payment [Abstract]
Payment	$ 7,100,000
Per share Common	$ 0.05	$ 0.08	$ 0.20	$ 0.71

X

- Definition

The amount of dividends recognised as distributions to owners.

+ References

No definition available.

+ Details

Name:	dht_DividendPayment
Namespace Prefix:	dht_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Disclosure of dividend payments.

+ References

No definition available.

+ Details

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

X

- Definition

The amount of dividends paid per ordinary share.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 34
-IssueDate 2017-01-01
-Paragraph 16A
-Subparagraph f
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=34&date=2017-03-01&anchor=para_16A_f&doctype=Standard
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_DividendsPaidOrdinarySharesPerShare
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration