Business, Basis of Financial Statement Presentation and Principles of Consolidation - Additional Information (Details) - Fisher Brown Bottrell Insurance, Inc. [Member] - Subsequent Event [Member] $ in Millions	Apr. 23, 2024 USD ($)
Business Basis Of Financial Statement Presentation And Principles Of Consolidation [Line Items]
Proceeds from divestiture of interest in consolidated subsidiaries	$ 345.0
Description of transaction value represents revenue and net income	The $345.0 million transaction value represents approximately 5.9 times FBBI’s 2023 revenue and 28.0 times net income.
Proceeds from divestitures of interest in consolidated subsidiaries net of tax	$ 228.0