CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 337,221	$ 17,302	$ 860,949	$ 510,340
Other Comprehensive (Loss)/Income, Net of Tax:
Qualified Cash Flow Hedging Instruments	5	5	10	10
Changes in Unrealized Gains on Marketable Securities	0	0	0	1,254
Changes in Funded Status of Pension, SERP and PBOP Benefit Plans	(1,052)	4,083	4,146	6,054
Other Comprehensive (Loss)/Income, Net of Tax	(1,047)	4,088	4,156	7,318
Comprehensive Income Attributable to Noncontrolling Interests	(1,880)	(1,880)	(3,759)	(3,759)
Comprehensive Income Attributable to Common Shareholders	$ 334,294	$ 19,510	$ 861,346	$ 513,899