Earnings Per Common Share - Schedule of Earnings Per Share Basic and Diluted (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share Reconciliation [Abstract]
Net income	$ 258,848	$ 181,633	$ 485,765	$ 397,956
Less: Preferred stock dividends	4,162	4,162	8,325	8,325
Income allocated to participating securities	2,991	1,977	5,361	4,090
Net income applicable to common stockholders	$ 251,695	$ 175,494	$ 472,079	$ 385,541
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Weighted-average common shares outstanding - basic (in shares)	165,884	169,675	167,524	170,061
Add: Effect of dilutive stock options and restricted stock (in shares)	247	262	329	290
Weighted-average common shares outstanding - diluted (in shares)	166,131	169,937	167,853	170,351
Earnings per common share:
Basic (in dollars per share)	$ 1.52	$ 1.03	$ 2.82	$ 2.27
Diluted (in dollars per share)	$ 1.52	$ 1.03	$ 2.81	$ 2.26