Mergers and Acquisitions - Summary of Supplemental Pro Forma Information (Details) - Sterling - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Net interest income	$ 1,961,005	$ 1,802,862
Non-interest income	440,783	487,301
Net income	$ 869,639	$ 574,927