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Consolidation and Nature of Operations - Schedule of Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 6 Months Ended
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Jun. 30, 2026 | Jun. 30, 2025
Cash paid during the period for: |  |
Income taxes, net of refunds/credits | $ 8,112 | $ 7,743
Interest, net of amounts capitalized | 223,625 | 189,041
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 291,902 | 312,762
Dividends accrued but not yet paid | 110,284 | 106,869
APS |  |
Cash paid during the period for: |  |
Income taxes, net of refunds/credits | 10,260 | 10,369
Interest, net of amounts capitalized | 177,122 | 158,073
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 291,902 | 312,762
Dividends accrued but not yet paid | $ 110,600 | $ 106,900

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