Stock-Based Compensation - Schedule of Restricted Stock and Performance Shares (Details)	12 Months Ended
	Dec. 31, 2024 $ / shares shares
Restricted Stock and Performance Shares
Restricted Stock Units
Outstanding, beginning balance (in shares) | shares	2,982,000
Granted (in shares) | shares	11,416,000
Vested (in shares) | shares	(1,067,000)
Forfeited (in shares) | shares	(2,259,000)
Outstanding, ending balance (in shares) | shares	11,072,000
Weighted-Average Grant-Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 24.39
Granted (in dollars per share) | $ / shares	4.68
Vested (in dollars per share) | $ / shares	23.67
Forfeited (in dollars per share) | $ / shares	9.73
Outstanding, ending balance (in dollars per share) | $ / shares	$ 7.13
Physician Partners Equity Awards | Nonemployee
Restricted Stock Units
Outstanding, beginning balance (in shares) | shares	7,137,000
Granted (in shares) | shares	2,139,000
Vested (in shares) | shares	(1,382,000)
Forfeited (in shares) | shares	(1,108,000)
Outstanding, ending balance (in shares) | shares	6,786,000
Weighted-Average Grant-Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 20.39
Granted (in dollars per share) | $ / shares	8.65
Vested (in dollars per share) | $ / shares	21.10
Forfeited (in dollars per share) | $ / shares	22.39
Outstanding, ending balance (in dollars per share) | $ / shares	$ 16.24