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Consolidation and Nature of Operations (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2021 | Jun. 30, 2020
Cash paid (received) during the period for: |  |
Income taxes, net of refunds | $ (788) | $ (3,028)
Interest, net of amounts capitalized | 112,010 | 107,417
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 105,515 | 87,815
Dividends accrued but not yet paid | 93,610 | 88,066
APS |  |
Cash paid (received) during the period for: |  |
Income taxes, net of refunds | 3,317 | 0
Interest, net of amounts capitalized | 107,044 | 100,991
Significant non-cash investing and financing activities: |  |
Accrued capital expenditures | 105,515 | 87,815
Dividends accrued but not yet paid | $ 93,500 | $ 88,000

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