Contractual Obligations and Commitments - Summary of Other Contractual Obligations and Commitments (Parenthetical) (Detail) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Disclosure of contractual obligations [line items] | ||
| Borrowings | $ 1,969,282 | $ 0 |
| Revolving Facility [Member] | ||
| Disclosure of contractual obligations [line items] | ||
| Borrowings | 472,000 | |
| Term Loan [Member] | ||
| Disclosure of contractual obligations [line items] | ||
| Borrowings | 1,497,282 | |
| 2027 - 2028 [member] | Copper World [member] | ||
| Disclosure of contractual obligations [line items] | ||
| Contingent transaction costs | $ 1,000 |