Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Earnings Per Share [Abstract]
Net income	$ 81,169	$ 103,360
Preferred stock dividends	(2,875)	(2,875)
Net income available to common equity	78,294	100,485
Common shareholder dividends	(33,407)	(31,808)
Unvested share-based payment awards	(120)	(205)
Undistributed earnings	44,767	68,472
Undistributed earnings allocated to common shareholders	44,524	68,086
Undistributed earnings allocated to unvested share-based payment awards	242	386
Basic
Distributed earnings to common shareholders	33,407	31,808
Undistributed earnings allocated to common shareholders	44,524	68,086
Total common shareholders earnings, basic	77,932	99,894
Diluted
Distributed earnings to common shareholders	33,407	31,808
Undistributed earnings allocated to common shareholders	44,524	68,086
Total common shareholders earnings, diluted	$ 77,932	$ 99,894
Weighted average common shares outstanding	149,855	149,763
Effect of dilutive common stock awards	1,436	1,365
Diluted weighted average common shares outstanding	151,292	151,128
Basic earnings per common share	$ 0.52	$ 0.67
Diluted earnings per common share	$ 0.52	$ 0.66