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Unpaid Claims - Additional information (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2023
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Short-duration Insurance Contracts, Discounted Liabilities [Line Items]        
Unpaid claims $ 138,516 $ 153,018 $ 137,395 $ 136,137
Incurred claims paid 104,581 84,180    
Unfavorable (favorable) development $ 804 $ (7,056)    
Percentage of current year medical claims paid as a percent of current year net medical claims 0.615 0.603    
Insurance Operations        
Short-duration Insurance Contracts, Discounted Liabilities [Line Items]        
Unpaid claims $ 138,500