Accumulated Other Comprehensive Income or Loss and Earnings Per Share - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Equity [Abstract]
Net income	$ 216,254	$ 170,001	$ 600,820	$ 509,683
Less: Preferred stock dividends	13,295	6,991	27,277	20,973
Less: Preferred stock redemption	14,046	0	14,046	0
Net income applicable to common shares	$ 188,913	$ 163,010	$ 559,497	$ 488,710
Weighted average common shares outstanding (in shares)	66,952	64,888	66,871	62,743
Effect of dilutive potential common shares
Common stock equivalents (in shares)	1,028	1,053	945	934
Average common shares and dilutive common shares (in shares)	67,980	65,941	67,816	63,677
Net income per common share:
Basic (usd per share)	$ 2.82	$ 2.51	$ 8.37	$ 7.79
Diluted (usd per share)	$ 2.78	$ 2.47	$ 8.25	$ 7.67