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v3.20.1

Capital Management - Additional Information (Detail) | May 07, 2015
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Capital Management [Line Items] |
Proportion of ownership interests | 5.00%

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- Definition Capital management. + References No definition available. + Details
Name: | eqx_CapitalManagementLineItems
Namespace Prefix: | eqx_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of voting equity interests held + References No definition available. + Details
Name: | eqx_PercentageOfVotingEquityInterestsHeld
Namespace Prefix: | eqx_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant