P3 Health Partners Inc. Quarterly report [Sections 13 or 15(d)]

Fair Value Measurements and Hierarchy - Fair value Hierarchy for Financial Liabilities (Details) - Recurring - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant liability	$ 2,132	$ 2,462
Level 1
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant liability	63	106
Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant liability	0	0
Level 3
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis
Warrant liability	$ 2,069	$ 2,356