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Discontinued Operations - Summary of Financial Information Segregated from Continuing Operations and Reported as Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]
Insurance commissions		$ 0		$ 27,728
Gain on sale of discontinued operations, net		0		228,272
Other, net		0		527
Total noninterest income		0		256,527
Salaries and employee benefits		0		16,263
Services and fees		0		704
Net occupancy - premises		0		269
Equipment expense		0		93
Other expense		0		2,046
Total noninterest expense		0		19,375
Income from discontinued operations before income taxes	$ 0	0	$ 0	237,152
Income taxes from discontinued operations		0		59,353
Income from discontinued operations		$ 0		$ 177,799

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of tax expense (benefit) related to a discontinued operation. Includes, but is not limited to, tax expense (benefit) related to income (loss) from operations during the phase-out period, tax expense (benefit) related to gain (loss) on disposal, tax expense (benefit) related to gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and tax expense (benefit) related to adjustments of a prior period gain (loss) on disposal.

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