Consolidated Statements of Cash Flows (Parenthetical) $ in Millions	Dec. 01, 2022 USD ($)
Convertible Senior Notes Due 2025 \| Gross carrying amount
Condensed Cash Flow Statements, Captions [Line Items]
Debt converted to equity	$ 205.1

Debt Conversion, Original Debt, Amount Upon Conversion

No definition available.

Name:	stng_DebtConversionOriginalDebtAmountUponConversion
Namespace Prefix:	stng_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant