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v3.23.1

Agreements (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2023 | Mar. 31, 2022 | Sep. 30, 2022
Agreements (Details) [Line Items] |  |  |  |  |
Administrator expenses | $ 77,937 | $ 82,415 | $ 155,821 | $ 151,281 |
Administrator expenses payable | 1,900 |  | 1,900 |  | $ 74,911
Accrual awarded compensation amount |  |  |  |  |
Target level of performance [Member] |  |  |  |  |
Agreements (Details) [Line Items] |  |  |  |  |
Performance based executive compensation target award percentage |  |  | 100.00% |  |
Maximum level of performance [Member] |  |  |  |  |
Agreements (Details) [Line Items] |  |  |  |  |
Performance based executive compensation target award percentage |  |  | 200.00% |  |
Minimum [Member] |  |  |  |  |
Agreements (Details) [Line Items] |  |  |  |  |
Performance based executive compensation target award percentage |  |  | 0.00% |  |
Net asset value per share performance goal percentage |  |  | 30.00% |  |
Maximum [Member] |  |  |  |  |
Agreements (Details) [Line Items] |  |  |  |  |
Performance based executive compensation target award percentage |  |  | (200.00%) |  |
Net asset value per share performance goal percentage |  |  | 70.00% |  |
Administration Agreement [Member] |  |  |  |  |
Agreements (Details) [Line Items] |  |  |  |  |
Administrator expenses payable | $ 1,900 |  | $ 1,900 |  | $ 74,911

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- Definition Amount of expense for fund administrative services. + References No definition available. + Details
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Namespace Prefix: | pfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of accrued administrator expenses payable. + References No definition available. + Details
Name: | pfx_AdministratorExpensesPayable
Namespace Prefix: | pfx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
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- Definition Performance goal percentage of Net Asset Value per share. + References No definition available. + Details
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- Definition Percentage of performance based executive compensation. + References No definition available. + Details
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Namespace Prefix: | pfx_
Data Type: | dtr:percentItemType
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- Definition Amount of commitment made to pay deferred cash remuneration. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Details
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Namespace Prefix: |
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- Details
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- Details
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- Details
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Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |