Premium Deficiency Reserve (Details) - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Premium Deficiency Reserve
Premium Deficiency Reserve	$ 27,719,928	$ 37,835,642

The carrying amount of premium deficiency reserve payable in twelve months or in the next operating cycle if longer.

No definition available.

Name:	piii_PremiumDeficiencyReserveCurrent
Namespace Prefix:	piii_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant