Number of share option plans.

No definition available.

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- Definition

Number of share options available for grant in share-based payment arrangement.

+ References

No definition available.

+ Details

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- Definition

Number of share options or other equity instruments vested and exercisable in share based payment arrangement.

+ References

No definition available.

+ Details

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- Definition

Number of share or other equity instruments purchased held in trust share-based payment arrangement.

+ References

No definition available.

+ Details

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- Definition

Number of trading period.

+ References

No definition available.

+ Details

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- Definition

Number of tranches.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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- Definition

Performance target award percentage.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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Period Type:	duration

- Definition

Share based payment arrangement expected term.

+ References

No definition available.

+ Details

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- Definition

Shares reserved for issue under employee share schemes.

+ References

No definition available.

+ Details

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Data Type:	xbrli:decimalItemType
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- Definition

Stock based compensation expense.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Stock based compensation expense (income)

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Vesting percentage on first anniversary.

+ References

No definition available.

+ Details

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Namespace Prefix:	ego_
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Period Type:	duration

- Definition

Vesting percentage on second anniversary.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Vesting percentage on third anniversary.

+ References

No definition available.

+ Details

Name:	ego_VestingPercentageOnThirdAnniversary
Namespace Prefix:	ego_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Weighted average exercise price of share options vested and exercisable in share-based payment arrangement

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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- Definition

The amount of expense from share-based payment transactions with employees.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2018-03-16

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The amount of liabilities arising from share-based payment transactions. Share-based payment transactions are transactions in which the entity: (a) receives goods or services from the supplier of those goods or services (including an employee) in a share-based payment arrangement; or (b) incurs an obligation to settle the transaction with the supplier in a share-based payment arrangement when another group entity receives those goods or services. [Refer: Share-based payment arrangements [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 51
-Subparagraph b
-Clause i
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_51_b_i&doctype=Standard
-URIDate 2018-03-16

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Balance Type:	credit
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- 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 2018-01-01
-Paragraph 47
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_b&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard
-URIDate 2018-03-16

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- 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 2018-01-01
-Paragraph 45
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_45&doctype=Standard
-URIDate 2018-03-16

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- Definition

The weighted average fair value at the measurement date of granted equity instruments other than share options. [Refer: Weighted average [member]]

+ References

+ Details

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- Definition

The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 2
-IssueDate 2018-01-01
-Paragraph 47
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2018-03-01&anchor=para_47_a&doctype=Standard
-URIDate 2018-03-16

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Share-based payments - Additional Information (Detail)		12 Months Ended
Share-based payments - Additional Information (Detail)	Jun. 20, 2018 OptionPlans	Dec. 31, 2018 USD ($) shares Tranches	Dec. 31, 2017 USD ($) shares	Dec. 31, 2018 CAD ($) shares	Dec. 31, 2017 CAD ($) shares	Dec. 31, 2016 shares
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions		$ 6,989,000	$ 11,218,000
Employee stock option plan [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of share option plans \| OptionPlans	2
Expected term		5 years
Number of tranches \| Tranches		3
Number of share options available to grant under the plan \| shares		3,928,361	3,575,074
Number of share purchase options vested and exercisable \| shares		3,576,150	3,716,685	3,576,150	3,716,685
Weighted average exercise price of share purchase options vested and exercisable				$ 28.13	$ 36.70
Expense from share-based payment transactions		$ 3,392,000	$ 6,736,000
Weighted average fair value per stock option				$ 2.32	$ 7.65
Vesting percentage on first anniversary		33.00%
Vesting percentage on second anniversary		33.00%
Vesting percentage on third anniversary		33.00%
Restricted share unit plan [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Maximum number of shares reserved for issue under options \| shares		5,000,000		5,000,000
Number of share purchased held in trust share-based payment arrangement \| shares		508,127	1,706,096
Restricted Shares Without Performance Criteria [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Number of share purchase options vested and exercisable \| shares		29,371	119,356	29,371	119,356
Expense from share-based payment transactions		$ 1,425,000	$ 2,716,000
Vesting percentage on first anniversary		33.00%
Vesting percentage on second anniversary		33.00%
Vesting percentage on third anniversary		33.00%
Number of share options granted in share-based payment arrangement \| shares		214,859	187,366
Weighted average fair value per stock option				$ 5.88
Compensation expense		$ 1,425,000	$ 2,716,000
Number of shares outstanding \| shares		333,119	341,198	333,119	341,198	248,013
Restricted Shares With Performance Criteria [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expected term		3 years
Expense from share-based payment transactions		$ 175,000	$ 0
Number of share options granted in share-based payment arrangement \| shares		167,976	0
Compensation expense		$ 175,000	$ 0
Number of shares outstanding \| shares		152,927	0	152,927	0
Restricted Shares With Performance Criteria [member] \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Performance target award (range)		0.00%
Restricted Shares With Performance Criteria [member] \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Performance target award (range)		200.00%
Deferred share units plans [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions		$ (277,000)	$ (1,023,000)
Trading days		15 days
Number of shares outstanding \| shares		234,125	119,367	234,125	119,367
Liabilities from share-based payment transactions		$ 686,000	$ 866,000
Compensation expense (income)		(277,000)	(1,023,000)
Performance share unit [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Expense from share-based payment transactions		$ 2,274,000	$ 2,789,000
Maximum number of shares reserved for issue under options \| shares		3,130,000		3,130,000
Number of share options granted in share-based payment arrangement \| shares		261,522	113,938
Compensation expense		$ 2,274,000	$ 2,789,000
Number of shares outstanding \| shares		484,899	381,293	484,899	381,293	286,188
Performance share unit [member] \| Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Performance target award (range)		0.00%
Performance share unit [member] \| Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Performance target award (range)		200.00%