Parent Company Information - Schedule of Condensed Statements of Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income
Income tax benefit	$ 58,248	$ 179,821	$ 211,816
Net Income	380,271	498,511	568,851
Dividends on preferred stock	21,369	16,135	13,146
Net income available to common shareholders	358,902	482,376	555,705
Parent Company
Income
Dividends from subsidiary	300,000	425,000	420,000
Net (losses) gains on equity securities	(1,581)	1,036	(1,136)
Other income and interest	7,360	5,730	82
Total Income	305,779	431,766	418,946
Total Expenses	53,147	56,072	48,104
Income before income tax and equity in undistributed earnings of subsidiary	252,632	375,694	370,842
Income tax benefit	(54,017)	(10,961)	(13,098)
Income before equity in undistributed earnings of subsidiary	306,649	386,655	383,940
Equity in undistributed earnings of subsidiary	73,622	111,856	184,911
Net Income	380,271	498,511	568,851
Dividends on preferred stock	21,369	16,135	13,146
Net income available to common shareholders	$ 358,902	$ 482,376	$ 555,705