Share Capital and Share-based Payments - Disclosure of DSUs activity (Details) - DSUs - shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Disclosure Of Number And Weighted Average Exercise Prices Of Other Equity Instruments Explanatory [Line Items]
Outstanding - beginning balance (in shares)	176,483	125,437
Granted (in shares)	112,086	51,046
Redeemed (in shares)	(7,831)
Outstanding - ending balance (in shares)	280,738	176,483

No definition available.

Name:	eqx_DisclosureOfNumberAndWeightedAverageExercisePricesOfOtherEquityInstrumentsExplanatoryLineItems
Namespace Prefix:	eqx_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of other equity instruments redeemed in sharebased payment arrangement.

+ References

No definition available.

+ Details

Name:	eqx_NumberOfOtherEquityInstrumentsRedeemedInSharebasedPaymentArrangement
Namespace Prefix:	eqx_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration

- 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 2021-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_47_b&doctype=Standard
-URIDate 2021-03-24

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard
-URIDate 2021-03-24

+ Details

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

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2021-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2021-en-r&anchor=para_45&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_NumberOfOtherEquityInstrumentsOutstandingInSharebasedPaymentArrangement
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	ifrs-full_TypesOfSharebasedPaymentArrangementsAxis=eqx_DeferredShareUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: