XML 29 R14.htm IDEA: XBRL DOCUMENT v3.22.4

Consolidated Financial Highlights (Parenthetical) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Investment Company, Financial Highlights [Line Items]
Ratio of total expenses to average net assets	[1]	15.60%	15.20%	14.00%
Ratio of non-interest expenses to average net assets	[1]	8.80%	9.70%	8.40%
Externalization Agreement [Member]
Investment Company, Financial Highlights [Line Items]
Incentive fees earned		$ 6,100	$ 7,100	$ 4,900
Incentive fees earned waived		$ 0	$ 0	$ 557
Ratio of total expenses to average net assets				14.30%
Ratio of non-interest expenses to average net assets				8.70%
[1] Totals may not sum due to rounding.

X

- Definition

Incentive fees earned.

+ References

No definition available.

+ Details

Name:	ptmn_IncentiveFeesEarned
Namespace Prefix:	ptmn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Incentive fees earned waived.

+ References

No definition available.

+ Details

Name:	ptmn_IncentiveFeesEarnedWaived
Namespace Prefix:	ptmn_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Investment company, non-interest expense ratio.

+ References

No definition available.

+ Details

Name:	ptmn_InvestmentCompanyNonInterestExpenseRatio
Namespace Prefix:	ptmn_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage, after deduction of fee waiver and incentive fee, of expense to average net assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 205
-Section 50
-Paragraph 14
-URI https://asc.fasb.org/extlink&oid=25866437&loc=d3e10351-115837

+ Details

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

X

- Details

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