Equity and Net Income Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity and Net Income Per Share
Net income	$ 371,786	$ 326,242	$ 331,617
Less preferred stock dividends	(550)	(550)	(550)
Net income (loss) available to common shareholders	$ 371,236	$ 325,692	$ 331,067
Net income per share-basic (in dollars per share)	$ 0.77	$ 0.68	$ 0.69
Net income per share-diluted (in dollars per share)	$ 0.77	$ 0.68	$ 0.69
Basic weighted average common shares outstanding	479,378	478,232	477,270
Weighted average common shares outstanding-diluted	482,372	480,300	479,736