Goodwill and Intangible Assets - Narrative (Details) $ in Millions	Dec. 31, 2025 USD ($)
Benefit Consultants Group Inc.
Goodwill [Line Items]
Intangible assets	$ 9.1
Benefits Consultants Group System Inc.
Goodwill [Line Items]
Intangible assets	5.0
NTA
Goodwill [Line Items]
Intangible assets	160.4
Madison National
Goodwill [Line Items]
Intangible assets	$ 56.5