XML 44 R37.htm IDEA: XBRL DOCUMENT
v3.24.3

Investments - Company Portfolio by Security and Investment (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 502,779 | $ 540,282
Fair Value |  | $ 428,978 | $ 467,865
Fair Value Percentage of Total Portfolio |  | 100.00% | 100.00%
Services: Business |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 63,140 | $ 58,997
Fair Value |  | $ 59,814 | $ 57,168
Fair Value Percentage of Total Portfolio |  | 13.90% | 12.20%
Healthcare & Pharmaceuticals |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 56,599 | $ 59,189
Fair Value |  | $ 55,075 | $ 57,224
Fair Value Percentage of Total Portfolio |  | 12.80% | 12.20%
Joint Venture |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 64,153 | $ 71,415
Fair Value |  | $ 52,288 | $ 59,287
Fair Value Percentage of Total Portfolio |  | 12.20% | 12.70%
Banking, Finance, Insurance & Real Estate |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 48,836 | $ 51,486
Fair Value |  | $ 49,343 | $ 53,918
Fair Value Percentage of Total Portfolio |  | 11.50% | 11.50%
High Tech Industries |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 53,307 | $ 84,676
Fair Value |  | $ 45,346 | $ 73,430
Fair Value Percentage of Total Portfolio |  | 10.60% | 15.70%
Consumer goods: Durable |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 24,713 | $ 16,431
Fair Value |  | $ 21,653 | $ 13,898
Fair Value Percentage of Total Portfolio |  | 5.00% | 3.00%
Finance |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 19,053 | $ 18,884
Fair Value |  | $ 19,098 | $ 18,972
Fair Value Percentage of Total Portfolio |  | 4.50% | 4.10%
Media: Broadcasting & Subscription |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 17,286 | $ 16,665
Fair Value |  | $ 13,357 | $ 14,618
Fair Value Percentage of Total Portfolio |  | 3.10% | 3.10%
Machinery (Non-Agrclt/Constr/Electr) |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 11,592 | $ 9,836
Fair Value |  | $ 12,452 | $ 10,097
Fair Value Percentage of Total Portfolio |  | 2.90% | 2.20%
Beverage, Food and Tobacco |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 12,544 | $ 12,220
Fair Value |  | $ 11,764 | $ 11,444
Fair Value Percentage of Total Portfolio |  | 2.80% | 2.40%
Aerospace and Defense |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 11,423 | $ 11,130
Fair Value |  | $ 11,448 | $ 11,256
Fair Value Percentage of Total Portfolio |  | 2.70% | 2.40%
Chemicals, Plastics and Rubber |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 9,956 | $ 9,738
Fair Value |  | $ 9,458 | $ 9,836
Fair Value Percentage of Total Portfolio |  | 2.20% | 2.10%
Retail |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 9,538 | $ 9,334
Fair Value |  | $ 8,077 | $ 8,732
Fair Value Percentage of Total Portfolio |  | 1.90% | 1.90%
Construction & Building |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 7,683 | $ 7,737
Fair Value |  | $ 7,325 | $ 7,441
Fair Value Percentage of Total Portfolio |  | 1.70% | 1.60%
Transportation: Consumer |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 7,423 | $ 7,465
Fair Value |  | $ 7,487 | $ 7,409
Fair Value Percentage of Total Portfolio |  | 1.70% | 1.60%
CLO Fund Securities |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 7,881 | $ 9,103
Fair Value |  | $ 6,786 | $ 8,968
Fair Value Percentage of Total Portfolio |  | 1.60% | 1.90%
Healthcare, Education and Childcare |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 6,129 | $ 6,175
Fair Value |  | $ 6,121 | $ 6,163
Fair Value Percentage of Total Portfolio |  | 1.40% | 1.30%
Metals & Mining |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 9,950 | $ 9,000
Fair Value |  | $ 5,202 | $ 7,742
Fair Value Percentage of Total Portfolio |  | 1.20% | 1.70%
Transportation: Cargo |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 7,139 | $ 11,606
Fair Value |  | $ 4,843 | $ 10,303
Fair Value Percentage of Total Portfolio |  | 1.10% | 2.20%
Telecommunications |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 3,813 | $ 5,268
Fair Value |  | $ 3,239 | $ 4,389
Fair Value Percentage of Total Portfolio |  | 0.80% | 0.90%
Diversified Financial Services |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 2,952 |
Fair Value |  | $ 2,973 |
Fair Value Percentage of Total Portfolio |  | 0.70% | 0.00%
Containers, Packaging and Glass |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 2,730 | $ 2,734
Fair Value |  | $ 2,680 | $ 2,665
Fair Value Percentage of Total Portfolio |  | 0.60% | 0.60%
Hotel, Gaming & Leisure |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 7,006 | $ 8,358
Fair Value |  | $ 2,429 | $ 3,948
Fair Value Percentage of Total Portfolio |  | 0.60% | 0.80%
Interactive Media & Services |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 2,568 | $ 2,663
Fair Value |  | $ 2,589 | $ 2,662
Fair Value Percentage of Total Portfolio |  | 0.60% | 0.60%
Services: Consumer |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 2,670 |
Fair Value |  | $ 2,660 |
Fair Value Percentage of Total Portfolio |  | 0.60% | 0.00%
IT Consulting & Other Services |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 2,185 | $ 2,213
Fair Value |  | $ 2,291 | $ 2,259
Fair Value Percentage of Total Portfolio |  | 0.50% | 0.50%
Application Software |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 1,164 |
Fair Value |  | $ 1,154 |
Fair Value Percentage of Total Portfolio |  | 0.30% | 0.00%
Capital Equipment |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 10,808 | $ 10,684
Fair Value |  | $ 1,354 | $ 1,203
Fair Value Percentage of Total Portfolio |  | 0.30% | 0.30%
Energy: Electricity |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 671 | $ 671
Fair Value |  | $ 672 | $ 671
Fair Value Percentage of Total Portfolio |  | 0.20% | 0.10%
Alternative Carriers |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  |  | $ 971
Fair Value |  |  | $ 937
Fair Value Percentage of Total Portfolio |  | 0.00% | 0.20%
Asset Management Company |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost | [1] | $ 17,791 | $ 17,791
Fair Value Percentage of Total Portfolio | [1] | 0.00% | 0.00%
Energy: Oil & Gas |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 76 | $ 6,721
Fair Value |  |  | $ 100
Fair Value Percentage of Total Portfolio |  | 0.00% | 0.00%
Media: Diversified & Production |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  |  | $ 1,121
Fair Value |  |  | $ 1,125
Fair Value Percentage of Total Portfolio |  | 0.00% | 0.20%
First Lien Debt |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 338,616 | $ 351,858
Fair Value |  | $ 316,444 | $ 336,599
Fair Value Percentage of Total Portfolio |  | 73.80% | 71.90%
Second Lien Debt |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 36,758 | $ 50,814
Fair Value |  | $ 28,885 | $ 41,254
Fair Value Percentage of Total Portfolio |  | 6.70% | 8.80%
Subordinated Debt |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 8,056 | $ 7,990
Fair Value |  | $ 1,696 | $ 1,224
Fair Value Percentage of Total Portfolio |  | 0.40% | 0.30%
Collateral Loan Obligations |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 7,881 | $ 9,103
Fair Value |  | $ 6,786 | $ 8,968
Fair Value Percentage of Total Portfolio |  | 1.60% | 1.90%
Joint Ventures |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 64,153 | $ 71,415
Fair Value |  | $ 52,288 | $ 59,287
Fair Value Percentage of Total Portfolio |  | 12.20% | 12.70%
Equity |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 29,493 | $ 31,280
Fair Value |  | $ 22,879 | $ 20,533
Fair Value Percentage of Total Portfolio |  | 5.30% | 4.40%
Asset Manager Affiliates |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost | [2] | $ 17,791 | $ 17,791
Derivatives |  |  |
Summary of Investment Holdings [Line Items] |  |  |
Cost/Amortized Cost |  | $ 31 | $ 31
[1] | Represents the equity investment in the Asset Manager Affiliates
[2] | Represents the equity investment in the Asset Manager Affiliates.

X
- Definition Investment owned, percent of total portfolio fair value. + References No definition available. + Details
Name: | ptmn_InvestmentOwnedPercentOfTotalPortfolioFairValue
Namespace Prefix: | ptmn_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Cost of the investment. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477439/946-210-55-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column C)(Footnote 8)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)(Footnote 11)(a)(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column F)(Footnote 5)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 19 -Subparagraph (3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-19 + Details
Name: | us-gaap_InvestmentOwnedAtCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in security owned. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477439/946-210-55-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-2 Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479168/946-830-55-12 Reference 12: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.6-03(d)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479886/946-10-S99-3 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(2)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(2)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479170/946-210-S99-1 Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column C)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column A)(Footnote 1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column C)(Footnote 5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-12(Column C)(Footnote 6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-1 Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)(Footnote 2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column A)(Footnote 6)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column A)(Footnote 7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-12B(Column C)(Footnote 9)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-3 Reference 26: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column F)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 27: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column A)(Footnote 1)(b)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 28: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column A)(Footnote 1)(b)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 29: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column F)(Footnote 4)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 Reference 30: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14(Column F)(Footnote 7)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 + Details
Name: | us-gaap_InvestmentOwnedAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-12 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 55 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147477439/946-210-55-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 9 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480990/946-20-50-9 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-1 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (g)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (g)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478795/946-210-50-6 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478297/946-220-50-3 + Details
Name: | us-gaap_SummaryOfInvestmentHoldingsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ServicesBusinessMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_HealthcarePharmaceuticalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_JointVentureIndustryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_BankingFinanceInsuranceAndRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_HighTechIndustriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ConsumerGoodsDurableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_FinanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_MediaBroadcastingSubscriptionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_BeverageFoodAndTobaccoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_AerospaceAndDefenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ChemicalsPlasticsAndRubberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_RetailIndustryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ConstructionAndBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_TransportationConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_CloFundSecuritiesIndustryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_HealthcareEducationAndChildcareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_MetalsMiningMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_TransportationCargoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_TelecommunicationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_DiversifiedFinancialServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ContainersPackagingAndGlassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_HotelGamingLeisureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_InteractiveMediaAndServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ServicesConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ITConsultingAndOtherServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_ApplicationSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_CapitalEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_EnergyElectricityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_AlternativeCarriersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_AssetManagementCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_EnergyOilAndGasMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_EquitySecuritiesByIndustryAxis=ptmn_MediaDiversifiedProductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ptmn_FirstLienDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ptmn_SecondLienDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_SubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CollateralizedLoanObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ptmn_JointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ptmn_AssetManagerAffiliatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=ptmn_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |