Related-Party Transactions - Additional Information (Details) - USD ($)	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Related Party Transaction [Line Items]
Revenue	$ 620,390,000	$ 404,356,000
Operating lease right-of-use assets	30,698,000		$ 32,601,000
Expenses payable	2,200,000	600,000
Investments in privately held entities	8,896,000		8,896,000
Operating lease liabilities	33,942,000
Operating lease liabilities	4,979,000		5,350,000
Payments for repurchase of shares	10,600,000
Third Way Health | Agreement for Future Equity Fund
Related Party Transaction [Line Items]
Investments in privately held entities	6,000,000		6,000,000
Risk pool settlements and incentives
Related Party Transaction [Line Items]
Revenue	14,491,000	17,377,000
First Commonwealth Property, LLC
Related Party Transaction [Line Items]
Operating lease right-of-use assets	700,000		700,000
Operating lease liabilities	700,000		700,000
Allied Pacific Holdings Investment Management, LLC | Chief Executive Officer
Related Party Transaction [Line Items]
Operating lease right-of-use assets	7,300,000		2,700,000
Operating lease liabilities	7,500,000		2,700,000
AHMC
Related Party Transaction [Line Items]
Amount outstanding under agreement	53,900,000		$ 47,700,000
AHMC | Related Party | Risk pool settlements and incentives
Related Party Transaction [Line Items]
Revenue	5,000,000	8,100,000
AHMC | Arroyo Vista | Related Party
Related Party Transaction [Line Items]
Revenue		500,000
Related party transaction, amount of transaction	100,000
APC
Related Party Transaction [Line Items]
Payments for repurchase of shares	1,300,000
APC | Sunny Village Care Center | Provider Services
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	200,000	45,000
APC | Board Members | Provider Services
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	6,500,000	4,700,000
APC | Board Members Who Are Also Officers | Provider Services
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	1,000,000	800,000
AMG | First Commonwealth Property, LLC | Office Lease
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	42,000	38,000
AMG | Allied Pacific Holdings Investment Management, LLC | Office Lease
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	$ 1,100,000	$ 900,000
I Health, Inc.
Related Party Transaction [Line Items]
Equity interest (as a percent)	25.00%	25.00%
I Health, Inc. | Related Party
Related Party Transaction [Line Items]
Incurred expenses	$ 700,000
PMIOC
Related Party Transaction [Line Items]
Equity interest (as a percent)	40.00%
PMIOC | Provider Services
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	$ 700,000	$ 800,000
Song PC
Related Party Transaction [Line Items]
Equity interest (as a percent)	25.00%
Song PC | Provider Services
Related Party Transaction [Line Items]
Related party transaction, amount of transaction	$ 200,000	$ 200,000
CHS | Minimum [Member]
Related Party Transaction [Line Items]
Equity interest (as a percent)	50.00%
CHS | Maximum [Member]
Related Party Transaction [Line Items]
Equity interest (as a percent)	51.00%
CHS | Related Party
Related Party Transaction [Line Items]
Incurred expenses	$ 900,000