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Business Combinations - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended
	Jul. 01, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Goodwill resulting from the Merger		$ 553,891		$ 550,539
Net change in time deposits		$ 1,057,432	$ (70,701)
Prudential
Business Acquisition [Line Items]
Percent of outstanding common stock acquired	100.00%
Goodwill resulting from the Merger	$ 19,625
Loans	554,091
Investment securities	287,126
Allowance for credit losses at acquisition	$ 1,135