Business Acquisitions - Additional Information (Details) - USD ($) $ in Thousands						3 Months Ended		6 Months Ended
	Jun. 01, 2022	Jun. 11, 2021	Jan. 13, 2021	Jun. 01, 2020	Jan. 02, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Business Acquisition [Line Items]
Revenues						$ 393,163	$ 171,206	$ 673,298	$ 306,504
Net income (loss)						9,480		9,480
University Health Care and Its Affiliates
Business Acquisition [Line Items]
Business combination, consideration transferred		$ 611,120
Cash consideration paid		541,500
Business combination, contingent consideration		9,600
Finite-lived Intangible Assets Acquired		$ 45,200
Weighted-average amortization period		5 years
Revenues						30,600		16,100
Net income (loss)						30,600		16,100
University Health Care and Its Affiliates | University Brand
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired								110,400
University Health Care and Its Affiliates | Provider Relationship
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired								2,900
University Health Care and Its Affiliates | Class A common stock
Business Acquisition [Line Items]
Number of shares of equity interests issued to acquire entity		4,055,698
Business acquisition, equity interest issued value assigned		$ 60,000
HP Enterprises II LLC and Related Entities
Business Acquisition [Line Items]
Business combination, consideration transferred				$ 195,384
Cash consideration paid				149,300
Finite-lived Intangible Assets Acquired				$ 1,000
Weighted-average amortization period				5 years
Revenues						98,700	33,600	179,000	33,600
Net income (loss)						10,300	2,200	23,300	2,200
Payments made for an escrow agent			$ 18,000
Other payments to acquire businesses			$ 17,100
Business combination, consideration transferred, liabilities incurred				$ 16,100
Business combination, contingent consideration arrangements, description				due no later than five days following January 31, 2022.
HP Enterprises II LLC and Related Entities | Subsequent Event
Business Acquisition [Line Items]
Other payments to acquire businesses	$ 900
HP Enterprises II LLC and Related Entities | HP Brand
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired								20,600
HP Enterprises II LLC and Related Entities | Payor relationships
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired								96,400
HP Enterprises II LLC and Related Entities | Class A-4 Units
Business Acquisition [Line Items]
Number of shares of equity interests issued to acquire entity				923,076
Business acquisition, equity interest issued value assigned	$ 30,000
Primary Care Physicians and Related Entities
Business Acquisition [Line Items]
Business combination, consideration transferred					$ 60,209
Cash consideration paid					53,600
Finite-lived Intangible Assets Acquired					$ 800
Weighted-average amortization period					3 years
Revenues						12,800	4,200	23,600	12,600
Net income (loss)						$ 5,100	$ 500	8,100	$ 3,700
Business combination, pay-down of long-term debt					$ 1,500
Pay down of accounts payable and accrued expenses					$ 1,100
Primary Care Physicians and Related Entities | Primary Care Physicians Brand
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired								4,000
Primary Care Physicians and Related Entities | Payor relationships
Business Acquisition [Line Items]
Finite-lived Intangible Assets Acquired								$ 39,500
Primary Care Physicians and Related Entities | Class A-4 Units
Business Acquisition [Line Items]
Number of shares of equity interests issued to acquire entity					123,077
Business acquisition, equity interest issued value assigned					$ 4,000