Unpaid Claims - Additional information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Short-duration Insurance Contracts, Discounted Liabilities [Line Items]
Unpaid claims	$ 137,100	$ 137,395	$ 136,317
Percentage of current year medical claims paid as a percent of current year net medical claims	0.869	0.872
Insurance Operations
Short-duration Insurance Contracts, Discounted Liabilities [Line Items]
Unpaid claims	$ 137,100