Goodwill and Acquired Intangible Assets - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Estimated amortization expense, next year	$ 17.7
Estimated amortization expense in two years	13.4
Estimated amortization expense in three years	11.3
Estimated amortization expense in four years	9.4
Estimated amortization expense in five years	7.7
Mortgage service rights retained from sale of SBA	$ 1.7	$ 1.8
Customer Relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, useful life	10 years
Customer Relationships | Drummond Banking Company
Finite-Lived Intangible Assets [Line Items]
Fair value of finite-lived intangible assets	$ 2.6
Intangible assets, useful life	10 years