Unpaid Claims - Additional information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Liability for Unpaid Claims and Claims Adjustment Expense, Activity in Liability [Abstract]
Incurred claims paid	$ 113,677	$ 63,039
Unfavorable (favorable) development	$ 15,834	$ (13,715)
Percentage of current year medical claims paid as a percent of current year net medical claims	0.842	0.828
Short-duration Insurance Contracts, Discounted Liabilities [Line Items]
Unpaid claims	$ 136,317	$ 103,976	$ 77,886
Medicate Advantage
Short-duration Insurance Contracts, Discounted Liabilities [Line Items]
Unpaid claims	$ 136,300