Organization and Significant Accounting Policies - Advertising Costs, Leases, Impairment of Long-Lived Assets and Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Advertising expense	$ 6.5	$ 6.1	$ 5.6
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities
Impairment charges	$ 0.0	$ 0.0	0.0
Interest and penalties	$ 0.0	$ 0.0	$ 0.0