Equity and Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2023	Jun. 30, 2022
Equity and Earnings Per Common Share
Net income	$ 87,012	$ 86,507	$ 79,395	$ 80,040	$ 173,519	$ 159,435
Less preferred stock dividends	(137)		(137)		(275)	(275)
Net income (loss) available to common shareholders	$ 86,875		$ 79,258		$ 173,244	$ 159,160
Net income per share-basic (in dollars per share)	$ 0.18		$ 0.17		$ 0.36	$ 0.33
Net income per share-diluted (in dollars per share)	$ 0.18		$ 0.17		$ 0.36	$ 0.33
Basic weighted average common shares outstanding	479,502		478,317		479,059	477,983
Weighted average common shares outstanding-diluted	481,512		480,270		481,420	480,329