Discontinued Operations - Schedule of the Operating Results of the Discontinued Insurance Agency Business (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Noninterest expense:
Net income from discontinued operations	$ 0	$ 294,866	$ 13,248
Discontinued Operations, Held-for-Sale | Insurance Agency Business
Noninterest income:
Insurance commissions		93,997	99,887
Other noninterest income		67	179
Total noninterest income (loss)		94,064	100,066
Noninterest expense:
Salaries and employee benefits		76,109	65,089
Office occupancy and equipment		4,420	3,319
Data processing		3,577	4,335
Professional services		1,176	1,009
Marketing expenses		179	246
Amortization of intangible assets		2,002	2,666
Other		5,304	4,944
Total noninterest expense		92,767	81,608
Income from discontinued operations before income tax expense		1,297	18,458
Gain on sale of discontinued operations before income tax expense		408,629	0
Total gain on discontinued operations before income tax expense		409,926	18,458
Income tax (benefit) expense		115,060	5,210
Net income from discontinued operations		294,866	13,248
Disposal Group, Not Discontinued Operations, Transferrable Upon Sale to Entity | Insurance Agency Business
Noninterest income:
Income (loss) from investments held in rabbi trusts		697	(1,305)
Other noninterest income		60	54
Total noninterest income (loss)		757	(1,251)
Noninterest expense:
Salaries and employee benefits		721	(1,292)
Office occupancy and equipment		433	499
Other		1,608	2,396
Total noninterest expense		2,762	1,603
Total gain on discontinued operations before income tax expense		(2,005)	(2,854)
Income tax (benefit) expense		(564)	(802)
Net income from discontinued operations		$ (1,441)	$ (2,052)