Revenue - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Total revenue	$ 33,566	$ 60,782	$ 121,584	$ 173,901
Sponsorship and Advertising Revenue
Disaggregation of Revenue [Line Items]
Total revenue	282	2,753	1,963	10,892
Fee-based and Other Revenue
Disaggregation of Revenue [Line Items]
Total revenue	3,480	3,298	10,010	9,332
Medicare
Disaggregation of Revenue [Line Items]
Total revenue	26,313	50,502	96,286	136,535
Individual and Family
Disaggregation of Revenue [Line Items]
Total revenue	(1,497)	(836)	(204)	1,847
Individual and Family \| Non-Qualified Health Plans
Disaggregation of Revenue [Line Items]
Total revenue	(899)	(434)	(78)	484
Individual and Family \| Qualified Health Plans
Disaggregation of Revenue [Line Items]
Total revenue	(598)	(402)	(126)	1,363
Ancillary
Disaggregation of Revenue [Line Items]
Total revenue	2,377	2,249	7,241	8,081
Ancillary \| Hospital Indemnity
Disaggregation of Revenue [Line Items]
Total revenue	1,185	1,555	3,919	3,686
Ancillary \| Dental
Disaggregation of Revenue [Line Items]
Total revenue	426	22	1,509	2,256
Ancillary \| Vision
Disaggregation of Revenue [Line Items]
Total revenue	274	252	875	1,021
Ancillary \| Short-term
Disaggregation of Revenue [Line Items]
Total revenue	221	362	408	732
Ancillary \| Other
Disaggregation of Revenue [Line Items]
Total revenue	271	58	530	386
Small Business
Disaggregation of Revenue [Line Items]
Total revenue	2,242	2,297	5,736	5,731
Commission Bonus and Other
Disaggregation of Revenue [Line Items]
Total revenue	369	519	552	1,483
Total Commission Revenue
Disaggregation of Revenue [Line Items]
Total revenue	29,804	54,731	109,611	153,677
Other Revenue
Disaggregation of Revenue [Line Items]
Total revenue	3,762	6,051	11,973	20,224
Total net commission revenue from members approved in prior periods
Disaggregation of Revenue [Line Items]
Total revenue	7,607	17,771	15,638	28,255
Total net commission revenue from members approved in prior periods \| Non-Qualified Health Plans \| Individual and Family
Disaggregation of Revenue [Line Items]
Total revenue	(1,200)	(800)	(1,200)
Total net commission revenue from members approved in prior periods \| Qualified Health Plans \| Individual and Family
Disaggregation of Revenue [Line Items]
Total revenue	(700)	(700)	(700)
Medicare Advantage \| Medicare
Disaggregation of Revenue [Line Items]
Total revenue	27,862	38,264	87,352	113,250
Medicare Supplement \| Medicare
Disaggregation of Revenue [Line Items]
Total revenue	2,381	13,286	8,530	21,890
Medicare Part D (1) \| Medicare
Disaggregation of Revenue [Line Items]
Total revenue	(3,930)	(1,048)	$ 404	$ 1,395
Medicare Part D (1) \| Total net commission revenue from members approved in prior periods \| Medicare
Disaggregation of Revenue [Line Items]
Total revenue	$ (4,000)	$ (1,300)