XML 86 R71.htm IDEA: XBRL DOCUMENT
v3.21.1

General & Administrative Expenses- Shares held by executives and directors (Details) - shares | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
General & Administrative Expenses [Abstract] |  |  |  |
Number of shares held by Executives and Directors as a group (in shares) | [1] | 2,303,011 | 3,615,221 | 3,155,503
Number of restricted stock subject to vesting conditions (in shares) |  | 619,998 | 440,000 | 465,000
Base salary entitled to executive officer for termination of employment |  | 18 months |  |
[1] | Includes 619,998 (2019: 440,000, 2018: 465,000) shares of restricted stock subject to vesting conditions.

X
- Definition Period base salary has to be paid to an executive officer upon termination of employment. + References No definition available. + Details
Name: | dht_BaseSalaryEntitledToExecutiveOfficerForTerminationOfEmployment
Namespace Prefix: | dht_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of other equity instruments (ie other than share options) subject to vesting conditions in a share-based payment arrangement. + References No definition available. + Details
Name: | dht_NumberOfOtherEquityInstrumentsVestedSubjectToVestingConditionsInShareBasedPaymentArrangement
Namespace Prefix: | dht_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares held by executives and directors as a group during the period. + References No definition available. + Details
Name: | dht_NumberOfSharesHeldByExecutivesAndDirectorsAsGroup
Namespace Prefix: | dht_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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