Receivables - Narrative (Details) - National Oil Companies of Mauritania And Senegal - Carry Advance Agreements - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
|
| Oil and Gas Joint Interest Billing Receivables [Line Items] | |||||
| Long-term receivables | $ 460.8 | $ 460.8 | $ 437.1 | ||
| Interest income, long-term notes receivable | $ 9.9 | $ 6.5 | $ 23.7 | $ 18.0 | |