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Mergers and Acquisitions - Pro Forma (Details) - Independent - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Mergers and Acquisitions
Acquisition costs	$ 20,800	$ 2,000	$ 115,700	$ 4,500
Proforma amounts
Total revenues (net interest income plus noninterest income)		626,487		1,827,189
Net interest income		538,092		1,565,708
Net adjusted income available to the common shareholder		$ 217,995		$ 392,934
EPS - basic		$ 2.16		$ 3.89
EPS - diluted		$ 2.15		$ 3.87

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