Additional Balance Sheet Detail and Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
||||
|---|---|---|---|---|---|---|
| Supplemental Cash Flow Information [Abstract] | ||||||
| Accrued Salaries, Current | $ 29,460 | $ 31,151 | ||||
| Flow-through share premium received (including over-allotment) | 112 | 853 | ||||
| Deferred Revenue | [1] | 750 | 42,863 | |||
| Accrued Income Taxes, Current | 53,790 | 36,490 | ||||
| Royalty settlement | [2] | 0 | 3,750 | |||
| Fresnillo deferred cash payment | 10,000 | 9,644 | ||||
| Other Accrued Liabilities | 7,032 | 6,577 | ||||
| Unrealized Gain (Loss) on Derivatives | 62 | 70 | ||||
| Accrual for Taxes Other than Income Taxes, Current | 17,472 | 5,491 | ||||
| Interest Payable, Current | 6,921 | 8,122 | ||||
| Operating Lease, Liability, Current | 13,546 | 11,598 | ||||
| Accrued liabilities and other | $ 139,145 | $ 156,609 | ||||
| ||||||
| X | ||||||||||
- Definition Proceeds received in excess of market price of shares issued in connection with a flow-through share transaction. No definition available.
|
| X | ||||||||||
- Definition Fresnillo deferred cash payment No definition available.
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of obligations incurred and payable for real and property taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| X | ||||||||||
- Definition Carrying value as of the balance sheet date of [accrued] interest payable on all forms of debt, including trade payables, that has been incurred and is unpaid. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expenses incurred but not yet paid classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|