Summary of Significant Accounting Policies - Additional Information (Details1) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Location, Statement of Income, Balance [Axis]: apc:FuelCosts1 | ||||
| Schedule Of Accounting Policies [Line Items] | ||||
| Amortization expense | $ 0.7 | $ 0.5 | $ 1.2 | $ 0.9 |
| Location, Statement of Income, Balance [Axis]: us-gaap:DepreciationAndAmortization | ||||
| Schedule Of Accounting Policies [Line Items] | ||||
| Amortization expense | $ 2.2 | $ 1.6 | $ 4.2 | $ 3.0 |