v3.25.4

Transactions with Affiliated Companies - Additional Information (Details)	12 Months Ended
	Sep. 30, 2025
Minimum
Investments In And Advances To Affiliates [Line Items]
Ownership percentage of voting securities	5.00%
Controlled Affiliates | Maximum
Investments In And Advances To Affiliates [Line Items]
Ownership percentage of voting securities	25.00%
Non-Controlled Affiliates | Minimum
Investments In And Advances To Affiliates [Line Items]
Ownership percentage of voting securities	5.00%
Non-Controlled Affiliates | Maximum
Investments In And Advances To Affiliates [Line Items]
Ownership percentage of voting securities	25.00%

X

- Definition

Ownership percentage of voting securities.

+ References

No definition available.

+ Details

Name:	pnnt_OwnershipPercentageOfVotingSecurities
Namespace Prefix:	pnnt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

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

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentIssuerAffiliationAxis=us-gaap_InvestmentAffiliatedIssuerControlledMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InvestmentIssuerAffiliationAxis=us-gaap_InvestmentAffiliatedIssuerNoncontrolledMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: