XML 234 R62.htm IDEA: XBRL DOCUMENT v3.26.1

Commitments and Contingencies - Deposit (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)
Commitment and Contingencies
Current portion	$ 27,572
Idaho Power Company
Commitment and Contingencies
Deposits	26,059
Costs incurred - expense	(10,837)
Current portion	15,222
Balance at end of period	15,222
ATCO Structures & Logistics (USA) Inc. | Supply and installation agreement
Commitment and Contingencies
Deposits	13,350
Costs incurred - expense	(1,000)
Current portion	12,350
Balance at end of period	$ 12,350

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	ppta_CommitmentAndContingenciesLineItems
Namespace Prefix:	ppta_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase in deposit assets.

+ References

No definition available.

+ Details

Name:	ppta_DepositsAssetsAdditions
Namespace Prefix:	ppta_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of decrease in deposit assets, pertaining to costs incurred.

+ References

No definition available.

+ Details

Name:	ppta_DepositsAssetsCostsIncurred
Namespace Prefix:	ppta_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment in the future.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(17))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_DepositsAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Carrying value of amounts transferred to third parties for security purposes that are expected to be returned or applied towards payment within one year or during the operating cycle, if shorter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(8))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_DepositsAssetsCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	srt_CounterpartyNameAxis=ppta_IdahoPowerCompanyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_CounterpartyNameAxis=ppta_AtcoStructuresAndLogisticsUsaInc.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_TypeOfArrangementAxis=ppta_SupplyAndInstallationAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: