Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Computation of basic and diluted earnings per share
Net income	$ 62,631	$ 62,300
Dividends on preferred stock	(1,573)	(1,719)
Earnings allocated to participating securities	(345)	(339)
Net income available to common shareholders, basic	60,713	60,242
Net income available to common shareholders, diluted	$ 60,713	$ 60,242
Weighted average shares outstanding:
Basic (in shares)	119,662	115,451
Effect of dilutive securities:
Diluted (in shares)	119,743	115,715
Net income per common share:
Basic (in dollars per share)	$ 0.51	$ 0.52
Diluted (in dollars per share)	$ 0.51	$ 0.52
Stock options
Effect of dilutive securities:
Restricted stock units (in shares)	81	233
Restricted stock units
Effect of dilutive securities:
Restricted stock units (in shares)	0	31