Revenue from Contracts with Customers - Summary of Renewal Commissions Receivable (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Senior Health Segment [Member]
Disaggregation Of Revenue [Line Items]
Balance, beginning of period	$ 115,933	$ 134,199	$ 128,886	$ 139,399
Commissions revenue	6,989	6,923	13,313	15,985
Less: collections	(9,970)	(10,304)	(21,406)	(24,566)
Tail revenue adjustment from change in estimate	(1,810)		(9,651)
Balance, at the end of period	111,142	130,818	111,142	130,818
Corporate and Other Distributed Products Segment Revenues [Member]
Disaggregation Of Revenue [Line Items]
Balance, beginning of period	60,365	60,210	61,372	60,644
Commissions revenue	5,864	6,405	10,903	11,775
Less: collections	(6,349)	(6,209)	(12,395)	(12,013)
Balance, at the end of period	$ 59,880	$ 60,406	$ 59,880	$ 60,406