Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Disaggregation of Revenue [Line Items]
Total revenue	$ 60,782	$ 65,856	$ 173,901	$ 158,820
Medicare
Disaggregation of Revenue [Line Items]
Total revenue	50,502	48,923	136,535	119,082
Medicare \| Medicare Advantage
Disaggregation of Revenue [Line Items]
Total revenue	38,264	42,168	113,250	104,164
Medicare \| Medicare Supplement
Disaggregation of Revenue [Line Items]
Total revenue	13,286	4,045	21,890	9,523
Medicare \| Medicare Part D
Disaggregation of Revenue [Line Items]
Total revenue	(1,048)	2,710	1,395	5,395
Individual and Family
Disaggregation of Revenue [Line Items]
Total revenue	(836)	1,098	1,847	4,789
Individual and Family \| Non-Qualified Health Plans
Disaggregation of Revenue [Line Items]
Total revenue	(434)	388	484	2,033
Individual and Family \| Qualified Health Plans
Disaggregation of Revenue [Line Items]
Total revenue	(402)	710	1,363	2,756
Ancillary
Disaggregation of Revenue [Line Items]
Total revenue	2,249	2,555	8,081	5,243
Ancillary \| Short-term
Disaggregation of Revenue [Line Items]
Total revenue	362	1,043	732	1,431
Ancillary \| Dental
Disaggregation of Revenue [Line Items]
Total revenue	22	524	2,256	1,401
Ancillary \| Vision
Disaggregation of Revenue [Line Items]
Total revenue	252	302	1,021	991
Ancillary \| Hospital Indemnity
Disaggregation of Revenue [Line Items]
Total revenue	1,555	304	3,686	748
Ancillary \| Other
Disaggregation of Revenue [Line Items]
Total revenue	58	382	386	672
Small Business
Disaggregation of Revenue [Line Items]
Total revenue	2,297	2,563	5,731	6,179
Commission Bonus and Other
Disaggregation of Revenue [Line Items]
Total revenue	519	1,708	1,483	2,481
Total Commission Revenue
Disaggregation of Revenue [Line Items]
Total revenue	54,731	56,847	153,677	137,774
Other Revenue
Disaggregation of Revenue [Line Items]
Total revenue	6,051	9,009	20,224	21,046
Other Revenue \| Sponsorship and Advertising Revenue
Disaggregation of Revenue [Line Items]
Total revenue	2,753	5,478	10,892	15,667
Other Revenue \| Fee-based and Other Revenue
Disaggregation of Revenue [Line Items]
Total revenue	3,298	3,531	9,332	5,379
Total net commission revenue from members approved in prior periods
Disaggregation of Revenue [Line Items]
Total revenue	17,771	$ 11,499	$ 28,255	$ 13,969
Total net commission revenue from members approved in prior periods \| Non-Qualified Health Plans \| Individual and Family
Disaggregation of Revenue [Line Items]
Total revenue	(800)
Total net commission revenue from members approved in prior periods \| Qualified Health Plans \| Individual and Family
Disaggregation of Revenue [Line Items]
Total revenue	(700)
Total net commission revenue from members approved in prior periods \| Medicare Part D \| Medicare
Disaggregation of Revenue [Line Items]
Total revenue	$ (1,300)