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COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Purchase agreement	$ 5.0
Purchase agreement, paid	3.2
Outstanding purchase obligation	$ 1.8

X

- Definition

Purchase Obligation, Outstanding

+ References

No definition available.

+ Details

Name:	prm_PurchaseObligationOutstanding
Namespace Prefix:	prm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Purchase Obligation, Paid To Date

+ References

No definition available.

+ Details

Name:	prm_PurchaseObligationPaidToDate
Namespace Prefix:	prm_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

+ References

No definition available.

+ Details

Name:	us-gaap_PurchaseObligation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant