Related-Party Transactions (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 23, 2020	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Net medical claims incurred		$ 1,006,327	$ 1,004,590	$ 993,073
General and administrative expenses		176,480	183,089	203,678
Related party | CarePoint Health Contract
Related Party Transaction [Line Items]
Net medical claims incurred		7,000	13,000	12,600
Other liabilities		1,000	1,400
Related party | Medical Records Exchange, LLC
Related Party Transaction [Line Items]
General and administrative expenses		700	800	$ 300
Related party | Thyme Care, Inc.
Related Party Transaction [Line Items]
Other liabilities		3,300	200
General and administrative expenses		$ 4,100	$ 2,300
Number of shares purchased (in shares)	1,773,049
Equity interest percentage (less than)	5.00%	5.00%
Other assets, fair value		$ 1,800