Stock-Based Compensation - Schedule of Restricted Stock and Performance Shares (Details)	12 Months Ended
	Dec. 31, 2025 $ / shares shares
Restricted Stock and Performance Shares
Restricted Stock Units
Outstanding, beginning balance (in shares) | shares	11,072,000
Granted (in shares) | shares	12,795,000
Vested (in shares) | shares	(2,235,000)
Forfeited (in shares) | shares	(5,407,000)
Outstanding, ending balance (in shares) | shares	16,225,000
Weighted-Average Grant-Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 7.13
Granted (in dollars per share) | $ / shares	3.76
Vested (in dollars per share) | $ / shares	9.55
Forfeited (in dollars per share) | $ / shares	5.20
Outstanding, ending balance (in dollars per share) | $ / shares	$ 4.76
Physician Partners Equity Awards | Nonemployee
Restricted Stock Units
Outstanding, beginning balance (in shares) | shares	6,786,000
Vested (in shares) | shares	(965,000)
Forfeited (in shares) | shares	(1,107,000)
Outstanding, ending balance (in shares) | shares	4,714,000
Weighted-Average Grant-Date Fair Value
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 16.24
Vested (in dollars per share) | $ / shares	16.17
Forfeited (in dollars per share) | $ / shares	12.74
Outstanding, ending balance (in dollars per share) | $ / shares	$ 16.46