Asset Impairment - Additional Information (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
Numbers
|
Jun. 30, 2025
USD ($)
|
|
| Asset Impairment Charges [Line Items] | ||||
| Impairment loss | $ 650 | $ 377 | $ 1,093 | $ 2,424 |
| Obsolete Assets [Member] | ||||
| Asset Impairment Charges [Line Items] | ||||
| Impairment loss | 441 | |||
| Renewable Electricity Generation Site [Member] | ||||
| Asset Impairment Charges [Line Items] | ||||
| Number of operating sites | Numbers | 1 | |||
| Renewable Electricity Generation Site [Member] | Obsolete Assets [Member] | ||||
| Asset Impairment Charges [Line Items] | ||||
| Impairment loss | $ 345 | 84 | ||
| Renewable Natural Gas [Member] | Customer Contracts [Member] | ||||
| Asset Impairment Charges [Line Items] | ||||
| Impairment loss | 357 | |||
| Renewable Natural Gas [Member] | Obsolete Assets [Member] | ||||
| Asset Impairment Charges [Line Items] | ||||
| Impairment loss | $ 748 | $ 1,983 | ||
| Renewable Natural Gas Generation Site [Member] | ||||
| Asset Impairment Charges [Line Items] | ||||
| Number of operating sites | Numbers | 5 | |||