Name:	ifrs-full_DisclosureOfTransactionsBetweenRelatedPartiesLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

The amount of current trade payables and current other payables. [Refer: Current trade payables; Other current payables]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 54
-Subparagraph k
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_54_k&doctype=Standard
-URIDate 2019-03-27

Name:	ifrs-full_TradeAndOtherCurrentPayables
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The amount of current payables due to related parties. [Refer: Related parties [member]; Payables to related parties]

Name:	ifrs-full_TradeAndOtherCurrentPayablesToRelatedParties
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

The current amount of payment due to suppliers for goods and services used in entity's business. [Refer: Current liabilities; Trade payables]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 78
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 70
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_70&doctype=Standard
-URIDate 2019-03-27

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Accounts payable settlement days

No definition available.

Name:	stng_Accountspayablesettlementdays
Namespace Prefix:	stng_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Interest charged on accounts payable

No definition available.

Name:	stng_Interestchargedonaccountspayable
Namespace Prefix:	stng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=ifrs-full_OtherRelatedPartiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_CounterpartiesAxis=stng_ScorpioShipManagementSSMMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CounterpartiesAxis=stng_ScorpioHandymaxTankerPoolLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CounterpartiesAxis=stng_ScorpioServicesHoldingLimitedSSHMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CounterpartiesAxis=stng_ScorpioLR2PoolLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_CounterpartiesAxis=stng_PortAgentMember
Namespace Prefix:
Data Type:	na
Balance Type:
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Name:	ifrs-full_CounterpartiesAxis=stng_BunkersupplierMember
Namespace Prefix:
Data Type:	na
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Name:	ifrs-full_CounterpartiesAxis=stng_ScorpioLR1TankerPoolLimitedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	ifrs-full_CounterpartiesAxis=stng_ScorpioMRPoolLimitedMember
Namespace Prefix:
Data Type:	na
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