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CONSOLIDATED STATEMENTS OF CASH FLOW (Parenthetical) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Sep. 30, 2022
Statement of cash flows [abstract] |  |
Proceeds from sale of Blackwater stream | $ 300.0 |
Transaction costs | $ 2.6 |
Receivable for outstanding income tax refunds |  | $ 12.8

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- Definition The cash inflow from the disposal of mining assets. [Refer: Mining assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 16 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_16&doctype=Standard -URIDate 2023-03-23 + Details
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- References No definition available. + Details
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- Definition The amount of receivables arising from the sale of mesquite including income tax refunded receivable. + References No definition available. + Details
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Namespace Prefix: | ngd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Sale of Property, Plant and Equipment, Transaction Costs + References No definition available. + Details
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