XML 25 R77.htm IDEA: XBRL DOCUMENT v3.20.1

General & Administrative Expenses, Valuation of stock compensation (Details)		1 Months Ended							12 Months Ended
		May 31, 2019 shares $ / shares	Mar. 31, 2019 shares	Feb. 28, 2019 shares	Jan. 31, 2019 shares	Oct. 31, 2018 shares	Feb. 28, 2018 shares	Jan. 31, 2018 shares	Dec. 31, 2019 shares $ / shares	Dec. 31, 2018 shares	Dec. 31, 2017 shares
Valuation of Stock Compensation [Abstract]
Number of restricted stock, vested (in shares)	[1]								755,500	1,085,331	1,132,988
Number of restricted stock, forfeited (in shares)									0	22,500	57,501
January 2019 [Member] | Management [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock awarded (in shares)					560,000
Number of restricted stock, vested subject to certain market conditions (in shares)		200,000
March 2019 [Member] | Broad of Directors [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock awarded (in shares)			210,000
January 2018 [Member] | Management and Broad of Directors [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock awarded (in shares)								567,000
January 2018 One [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock awarded (in shares)									355,000
January 2018 One [Member] | Management [Member]
Valuation of Stock Compensation [Abstract]
Number of shares vested, fair value (in dollars per share) | $ / shares		$ 3.04
January 2018 One [Member] | Management and Broad of Directors [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock, vested (in shares)				78,500			264,000
Number of restricted stock, forfeited (in shares)						12,500
January 2018 Two [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock awarded (in shares)									212,000
Number of shares vested, fair value (in dollars per share) | $ / shares									$ 2.30
January 2018 Two [Member] | Management and Broad of Directors [Member]
Valuation of Stock Compensation [Abstract]
Number of restricted stock, vested subject to certain market conditions (in shares)						202,000
Number of restricted stock, forfeited subject to certain market conditions (in shares)						10,000
[1] Does not include shares in lieu of dividends

X

- Definition

The number of other equity instruments (ie other than share options) forfeited subject to certain market conditions in a share-based payment arrangement.

+ References

No definition available.

+ Details

Name:	dht_NumberOfOtherEquityInstrumentsForfeitedSubjectToCertainMarketConditionsInShareBasedPaymentArrangement
Namespace Prefix:	dht_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of other equity instruments (ie other than share options) vested subject to certain market conditions in a share-based payment arrangement.

+ References

No definition available.

+ Details

Name:	dht_NumberOfOtherEquityInstrumentsVestedSubjectToCertainMarketConditionsInShareBasedPaymentArrangement
Namespace Prefix:	dht_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

The number of other equity instruments (ie other than share options) granted in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_NumberOfInstrumentsOtherEquityInstrumentsGranted
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_NumberOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The number of other equity instruments (ie other than share options) forfeited in a share-based payment arrangement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_NumberOfOtherEquityInstrumentsForfeitedInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The weighted average exercise price of other equity instruments (ie other than share options) exercised or vested in a share-based payment arrangement. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2019-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2019-en-r&anchor=para_45&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_WeightedAverageExercisePriceOfOtherEquityInstrumentsExercisedOrVestedInSharebasedPaymentArrangement2019
Namespace Prefix:	ifrs-full_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_CreationDateAxis=dht_January2019OneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=srt_ManagementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CreationDateAxis=dht_March2019Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=srt_DirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CreationDateAxis=dht_January2018Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_TitleOfIndividualAxis=dht_ManagementAndBroadOfDirectorMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CreationDateAxis=dht_January2018OneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CreationDateAxis=dht_January2018TwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: