CONDENSED CONSOLIDATED STATEMENTS OF COMMON SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Shares	Capital Surplus, Paid In	Retained Earnings	Accumulated Other Comprehensive Loss	Treasury Stock
Beginning balance (in shares) at Dec. 31, 2022		348,443,855
Balance as of Beginning of Period at Dec. 31, 2022	$ 15,473,158	$ 1,799,920	$ 8,401,731	$ 5,527,153	$ (39,421)	$ (216,225)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	493,039			493,039
Dividends on Common Stock	(235,354)			(235,354)
Dividends on Preferred Stock	(1,880)			(1,880)
Long-Term Incentive Plan Activity	(13,141)		(13,141)
Issuance of Treasury Shares (in shares)		364,227
Issuance of Treasury Shares	30,319		23,495			6,824
Other Comprehensive Income (Loss)	3,230				3,230
Ending balance (in shares) at Mar. 31, 2023		348,808,082
Balance as of End of Period at Mar. 31, 2023	15,749,371	$ 1,799,920	8,412,085	5,782,958	(36,191)	(209,401)
Beginning balance (in shares) at Dec. 31, 2022		348,443,855
Balance as of Beginning of Period at Dec. 31, 2022	15,473,158	$ 1,799,920	8,401,731	5,527,153	(39,421)	(216,225)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	851,884
Other Comprehensive Income (Loss)	15,399
Ending balance (in shares) at Sep. 30, 2023		349,275,775
Balance as of End of Period at Sep. 30, 2023	15,685,941	$ 1,799,920	8,443,820	5,666,861	(24,022)	(200,638)
Beginning balance (in shares) at Mar. 31, 2023		348,808,082
Balance as of Beginning of Period at Mar. 31, 2023	15,749,371	$ 1,799,920	8,412,085	5,782,958	(36,191)	(209,401)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	17,302			17,302
Dividends on Common Stock	(235,491)			(235,491)
Dividends on Preferred Stock	(1,880)			(1,880)
Long-Term Incentive Plan Activity	5,155		5,155
Issuance of Treasury Shares (in shares)		213,854
Issuance of Treasury Shares	15,553		11,546			4,007
Other Comprehensive Income (Loss)	4,088				4,088
Ending balance (in shares) at Jun. 30, 2023		349,021,936
Balance as of End of Period at Jun. 30, 2023	15,554,098	$ 1,799,920	8,428,786	5,562,889	(32,103)	(205,394)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	341,543			341,543
Dividends on Common Stock	(235,691)			(235,691)
Dividends on Preferred Stock	(1,880)			(1,880)
Long-Term Incentive Plan Activity	3,075		3,075
Issuance of Treasury Shares (in shares)		253,839
Issuance of Treasury Shares	16,715		11,959			4,756
Other Comprehensive Income (Loss)	8,081				8,081
Ending balance (in shares) at Sep. 30, 2023		349,275,775
Balance as of End of Period at Sep. 30, 2023	$ 15,685,941	$ 1,799,920	8,443,820	5,666,861	(24,022)	(200,638)
Beginning balance (in shares) at Dec. 31, 2023	349,540,266	349,540,266
Balance as of Beginning of Period at Dec. 31, 2023	$ 14,173,892	$ 1,799,920	8,460,876	4,142,515	(33,737)	(195,682)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	523,728			523,728
Dividends on Common Stock	(250,770)			(250,770)
Dividends on Preferred Stock	(1,880)			(1,880)
Issuance of Common Shares (in shares)		1,292,892
Issuance of Common Shares	76,437	$ 6,465	69,972
Long-Term Incentive Plan Activity	(22,405)		(22,405)
Issuance of Treasury Shares (in shares)		546,256
Issuance of Treasury Shares	40,425		30,190			10,235
Capital Stock Expense	(1,042)		(1,042)
Other Comprehensive Income (Loss)	5,203				5,203
Ending balance (in shares) at Mar. 31, 2024		351,379,414
Balance as of End of Period at Mar. 31, 2024	$ 14,543,588	$ 1,806,385	8,537,591	4,413,593	(28,534)	(185,447)
Beginning balance (in shares) at Dec. 31, 2023	349,540,266	349,540,266
Balance as of Beginning of Period at Dec. 31, 2023	$ 14,173,892	$ 1,799,920	8,460,876	4,142,515	(33,737)	(195,682)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	744,772
Other Comprehensive Income (Loss)	$ 5,532
Ending balance (in shares) at Sep. 30, 2024	363,891,973	363,891,973
Balance as of End of Period at Sep. 30, 2024	$ 15,044,424	$ 1,866,385	9,263,434	4,118,654	(28,205)	(175,844)
Beginning balance (in shares) at Mar. 31, 2024		351,379,414
Balance as of Beginning of Period at Mar. 31, 2024	14,543,588	$ 1,806,385	8,537,591	4,413,593	(28,534)	(185,447)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	337,221			337,221
Dividends on Common Stock	(252,104)			(252,104)
Dividends on Preferred Stock	(1,880)			(1,880)
Issuance of Common Shares (in shares)		2,913,757
Issuance of Common Shares	174,657	$ 14,569	160,088
Long-Term Incentive Plan Activity	4,245		4,245
Issuance of Treasury Shares (in shares)		272,900
Issuance of Treasury Shares	15,896		10,783			5,113
Capital Stock Expense	(1,863)		(1,863)
Other Comprehensive Income (Loss)	(1,047)				(1,047)
Ending balance (in shares) at Jun. 30, 2024		354,566,071
Balance as of End of Period at Jun. 30, 2024	14,818,713	$ 1,820,954	8,710,844	4,496,830	(29,581)	(180,334)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(116,177)			(116,177)
Dividends on Common Stock	(260,119)			(260,119)
Dividends on Preferred Stock	(1,880)			(1,880)
Issuance of Common Shares (in shares)		9,086,269
Issuance of Common Shares	588,118	$ 45,431	542,687
Long-Term Incentive Plan Activity	4,456		4,456
Issuance of Treasury Shares (in shares)		239,633
Issuance of Treasury Shares	16,066		11,576			4,490
Capital Stock Expense	(6,129)		(6,129)
Other Comprehensive Income (Loss)	$ 1,376				1,376
Ending balance (in shares) at Sep. 30, 2024	363,891,973	363,891,973
Balance as of End of Period at Sep. 30, 2024	$ 15,044,424	$ 1,866,385	$ 9,263,434	$ 4,118,654	$ (28,205)	$ (175,844)