Consolidation and Nature of Operations (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash paid (received) during the period for:
Income taxes, net of refunds	$ 17	$ (1,746)
Interest, net of amounts capitalized	154,477	120,359
Significant non-cash investing and financing activities:
Accrued capital expenditures	148,433	106,033
Dividends accrued but not yet paid	98,014	96,081
APS
Cash paid (received) during the period for:
Income taxes, net of refunds	94	(25)
Interest, net of amounts capitalized	134,107	114,069
Significant non-cash investing and financing activities:
Accrued capital expenditures	151,453	106,033
Dividends accrued but not yet paid	$ 98,000	$ 96,000