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v3.22.1

Long-term debt - Borrowings redemption prices (Details) | 12 Months Ended
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Dec. 31, 2021
Senior unsecured notes - due July 15, 2027 |
Long Term Debt |
Borrowings redemption price percentage | 100.00%
2021 | Senior unsecured notes - due May 15, 2025 |
Long Term Debt |
Borrowings redemption price percentage | 103.19%
2022 | Senior unsecured notes - due May 15, 2025 |
Long Term Debt |
Borrowings redemption price percentage | 101.59%
2023 | Senior unsecured notes - due May 15, 2025 |
Long Term Debt |
Borrowings redemption price percentage | 100.00%
2023 | Senior unsecured notes - due July 15, 2027 |
Long Term Debt |
Borrowings redemption price percentage | 103.75%
2024 | Senior unsecured notes - due July 15, 2027 |
Long Term Debt |
Borrowings redemption price percentage | 101.88%
2025 and thereafter | Senior unsecured notes - due July 15, 2027 |
Long Term Debt |
Borrowings redemption price percentage | 100.00%

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- Definition The percentage rate of the aggregate principle amount that determines the redemption price of borrowings. + References No definition available. + Details
Name: | ngd_BorrowingsRedemptionPricePercentage
Namespace Prefix: | ngd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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- Definition Long Term Debt. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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