Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Earnings Per Share [Abstract]
Net Income (Loss) Attributable to Parent	$ 123,564	$ 119,635	$ 111,230	$ 101,687	$ 243,200	$ 212,916
Preferred Stock Dividends and Other Adjustments	(2,875)		(2,875)		(5,750)	(5,750)
Net Income (Loss) Available to Common Stockholders, Basic	120,689		108,355		237,450	207,166
Dividends, Common Stock	(45,634)		(38,304)		(85,577)	(76,636)
Unvested Share based Payment Awards	(107)		(194)		(223)	(399)
Undistributed Earnings (Loss) Available to Common Shareholders, Basic	74,769		69,501		151,203	129,500
Undistributed Earnings Allocated To Unvested Share Based Payment Awards	179		356		447	630
Undistributed Earnings, Basic, Total	74,948		69,857		151,650	130,131
Earnings Per Share, Basic [Abstract]
Distributed Earnings	45,634		38,304		85,577	76,636
Undistributed Earnings (Loss) Available to Common Shareholders, Basic	74,769		69,501		151,203	129,500
Common Shareholders Earnings Basic	120,403		107,805		236,780	206,137
Earnings Per Share, Diluted [Abstract]
Distributed Earnings To Common Shareholders Diluted	45,634		38,304		85,577	76,636
Undistributed Earnings (Loss) Available to Common Shareholders, Diluted	74,769		69,501		151,203	129,500
Common Shareholders Earnings Diluted	$ 120,403		$ 107,805		$ 236,780	$ 206,137
Weighted Average Number of Shares Outstanding, Basic	188,084		164,936		176,654	165,081
Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements	1,815		1,407		1,748	1,425
Weighted Average Number of Shares Outstanding, Diluted, Total	189,899		166,343		178,402	166,506
Earnings Per Share, Basic	$ 0.64		$ 0.65		$ 1.34	$ 1.25
Earnings Per Share, Diluted	$ 0.63		$ 0.65		$ 1.33	$ 1.24