XML 68 R70.htm IDEA: XBRL DOCUMENT v3.20.1

LONG-TERM DEBT (Parenthetical) (Details)	12 Months Ended
	Dec. 31, 2019
Senior unsecured notes - due November 15, 2022
Long Term Debt
Borrowings, maturity	November 15, 2022
Senior unsecured notes - due May 15, 2025
Long Term Debt
Borrowings, maturity	May 15, 2025

X

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
-Number 7
-IssueDate 2019-01-01
-Paragraph 7
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2019-en-r&anchor=para_7&doctype=Standard
-URIDate 2019-03-27

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Long Term Debt.

+ References

No definition available.

+ Details

Name:	ngd_LongTermDebtLineItems
Namespace Prefix:	ngd_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ngd_TwoThousandTwentyTwoUnsecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_BorrowingsByNameAxis=ngd_TwoThousandTwentyFiveUnsecuredNotesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: