Equity and Earnings Per Common Share - Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Equity and Earnings Per Common Share
Net income (loss)	$ 326,242	$ 331,617	$ (122,527)
Less preferred stock dividends	(550)	(550)	(550)
Net income (loss) available to common shareholders	$ 325,692	$ 331,067	$ (123,077)
Net income (loss) per share-basic (in dollars per share)	$ 0.68	$ 0.69	$ (0.26)
Net income (loss) per share-diluted (in dollars per share)	$ 0.68	$ 0.69	$ (0.26)
Basic weighted average common shares outstanding	478,232	477,270	478,278
Weighted average common shares outstanding-diluted	480,300	479,736	478,278