XML 75 R62.htm IDEA: XBRL DOCUMENT v3.8.0.1

Pensions - Year s Pension Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Calculation Of This Years Pension Costs [Abstract]
Current service cost	$ 329	$ 344	$ 289
Financial costs	6	6	6
Pension costs for the year	$ 335	$ 350	$ 296

X

- Definition

The calculation of the year's pension costs [Abstract].

+ References

No definition available.

+ Details

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

X

- Definition

Amount of financial costs to the defined benefit plan.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of net periodic benefit cost (credit) for defined benefit plan.

+ References

No definition available.

+ Details

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

X

- Definition

Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

+ References

No definition available.

+ Details

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