Summary of Significant Accounting Policies - Owned and Leased Mineral Interests (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Property, Plant and Equipment [Line Items] | |||
| Depletion | $ 6.9 | $ 8.4 | $ 7.3 |
| Minimum | |||
| Property, Plant and Equipment [Line Items] | |||
| Mineral rights, lease term | 10 years | ||
| Maximum | |||
| Property, Plant and Equipment [Line Items] | |||
| Mineral rights, lease term | 50 years | ||