Deposits - Narrative (Details) - USD ($) $ in Millions		12 Months Ended
	Apr. 01, 2022	Dec. 31, 2022	Dec. 31, 2021
Business Acquisition [Line Items]
Demand and savings deposits		$ 1,700.0
Organic deposit decline		$ 280.6
Organic deposit decline percent		2.20%
Non-maturity deposits decline		$ 513.5
Maturity deposits decline		232.9
Deposits exceeding FDIC amount		$ 8,100.0	$ 7,600.0
Level One
Business Acquisition [Line Items]
Demand and savings deposits	$ 1,900.0