Medical Expenses Payable - Schedule of Information About Incurred and Paid Claims Development (Details) $ in Thousands	Dec. 31, 2024 USD ($) Claim	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Claims Development [Line Items]
Cumulative incurred claims, net of reinsurance	$ 1,701,635
Cumulative claims paid, net of reinsurance	1,534,765
Claims Incurred Year 2022
Claims Development [Line Items]
Cumulative incurred claims, net of reinsurance	383,865	$ 385,746	$ 400,939
Cumulative claims paid, net of reinsurance	$ 382,467	383,419	$ 315,187
Cumulative number of paid claims | Claim	389,689
Claims Incurred Year 2023
Claims Development [Line Items]
Cumulative incurred claims, net of reinsurance	$ 484,951	492,315
Cumulative claims paid, net of reinsurance	$ 481,827	$ 400,465
Cumulative number of paid claims | Claim	537,129
Claims Incurred Year 2024
Claims Development [Line Items]
Cumulative incurred claims, net of reinsurance	$ 832,819
Cumulative claims paid, net of reinsurance	$ 670,471
Cumulative number of paid claims | Claim	909,451