Long Term Debt - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Oct. 19, 2020 |
Jul. 31, 2026 |
Apr. 30, 2026 |
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| Debt Instrument [Line Items] | |||
| Maturity date | Sep. 30, 2040 | ||
| Debt Instrument Periodic Payment | semi-annually | ||
| Long-term debt - current | $ 17,097 | $ 0 | |
| Long term debt non current | 535,661 | $ 0 | |
| Senior Secured Notes | |||
| Debt Instrument [Line Items] | |||
| Principal amount | $ 688,800 | ||
| Interest Rate | 5.32% | ||
| Royalties Notes | |||
| Debt Instrument [Line Items] | |||
| Long-Term Debt | 552,758 | ||
| Long-term debt - current | 17,097 | ||
| Long term debt non current | $ 535,661 | ||
| Effective interest rate percentage | 7.70% | ||
| Interest expense | $ 452 | ||
| Royalties Notes | Mineral Properties Pledged as Collateral | |||
| Debt Instrument [Line Items] | |||
| Collateral amount | 1,300,098 | ||
| Royalties Notes | Mineral Properties Not Pledged as Collateral | |||
| Debt Instrument [Line Items] | |||
| Collateral amount | $ 281 |
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- Definition Amount of assets pledged to secure a debt instrument. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Description of the frequency of periodic payments (monthly, quarterly, annual). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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