XML 9 R33.htm IDEA: XBRL DOCUMENT
v3.20.1

BASIS OF PREPARATION AND SIGNIFICANT ACCOUNTING POLICIES (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
BASIS OF PREPARATION AND SIGNIFICANT ACCOUNTING POLICIES |
Schedule of subsidiaries | THE PRINCIPAL SUBSIDIARIES OF THE COMPANY ARE AS FOLLOWS:
|  |  |  |  |  | Country of |  | Interest as at |  | Interest as at |
|  |  |  | Method of |  | incorporation and |  | December 31, |  | December 31, |
Name of subsidiary/associate(1) |  | Principal activity |  | accounting |  | operation |  | 2019 |  | 2018 |
Minera San Xavier S.A. de C.V. |  | Mining |  | Consolidated |  | Mexico |  | 100 | % | 100 | %
| 1. |  | The Company sold Peak Gold Mines Pty Ltd in April 2018 and sold Western Mesquite Mines Inc. in October 2018.
| 2. |  | New Gold Inc. directly owns the assets of Rainy River, New Afton and Blackwater.
Schedule of estimated useful life of property plant and equipment |
Asset class |  | Estimated useful life (years)
Plant and machinery |  | 3 – 13
Mobile equipment |  | 5 – 7

X
- Definition The disclosure of subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 17 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_17_b&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2019-01-01 -Paragraph 16 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=27&code=ifrs-tx-2019-en-r&anchor=para_16_b&doctype=Standard -URIDate 2019-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2019-01-01 -Paragraph B4 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2019-en-r&anchor=para_B4_a&doctype=Appendix&subtype=B -URIDate 2019-03-27 + Details
Name: | ifrs-full_DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ngd_BasisOfPresentationAndSignificantAccountingPoliciesDisclosureAbstract
Namespace Prefix: | ngd_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The disclosure of detailed information about estimated useful life of property plant and equipment. + References No definition available. + Details
Name: | ngd_DisclosureOfDetailedInformationAboutEstimatedUsefulLifeOfPropertyPlantAndEquipmentTextBlock
Namespace Prefix: | ngd_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration