Acquisitions - Schedule of Adjustments to Goodwill (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Business Acquisition [Line Items]
Change in goodwill	$ (36.7)
Accrued Expenses and Other Liabilities
Business Acquisition [Line Items]
Change in goodwill	3.3
Total Liability Adjustments
Business Acquisition [Line Items]
Change in goodwill	3.3
Mortgage loans originated for sale
Business Acquisition [Line Items]
Change in goodwill	35.1
Loans held for investment
Business Acquisition [Line Items]
Change in goodwill	(8.4)
Allowance for Credit Losses
Business Acquisition [Line Items]
Change in goodwill	24.8
Premises and Equipment
Business Acquisition [Line Items]
Change in goodwill	0.6
Core Deposit Intangibles
Business Acquisition [Line Items]
Change in goodwill	1.0
Deferred Tax Assets
Business Acquisition [Line Items]
Change in goodwill	(15.9)
Total Asset Adjustments
Business Acquisition [Line Items]
Change in goodwill	40.0
Other Assets
Business Acquisition [Line Items]
Change in goodwill	$ 2.8