Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Summary of Significant Accounting Policies | ||||
| Impairment | $ 16,631 | $ 97,524 | $ 39,852 | $ 119,187 |
| Impairment attributable to assets no longer in service | 15,600 | 20,800 | ||
| Impairment charges attributable to equipment related to power purchase agreements and fuel delivered to customers, net | 500 | 13,100 | ||
| Impairment, right of use assets related to finance leases | 0 | 5,200 | ||
| Impairment of prepaid expenses | $ 500 | 800 | ||
| Recovery of impairment loss for assets | 39,700 | |||
| Recovery of impairment loss of contract assets | 37,000 | |||
| Recovery of impairment loss of long lived assets | 2,200 | |||
| Recovery of impairment loss of other assets | 500 | |||
| Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense | ||||
| Summary of Significant Accounting Policies | ||||
| Recovery of impairment loss of contract assets | $ 37,000 | |||