XML 44 R37.htm IDEA: XBRL DOCUMENT
v3.26.1

Long-Term Debt and Bonds, Secured Term Loans - Alpha Bank (Details) $ in Thousands |  |  |  | 1 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jul. 24, 2026 USD ($) | Jul. 24, 2025 USD ($) | Jul. 23, 2025 USD ($) Agreement | Dec. 31, 2022 USD ($) | Nov. 30, 2022 USD ($) | Jun. 30, 2026 USD ($) | Jun. 30, 2025 USD ($) | Dec. 31, 2025 USD ($) | Apr. 30, 2024 Agreement
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Proceeds from loan agreement |  |  |  |  |  | $ 45,000 | $ 0 |  |
Classified amount from assets held for sale |  |  |  |  |  | 22,924 |  | $ 12,391 |
Alpha Bank Term Loans [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Proceeds from loan agreement |  | $ 29,750 |  |  |  |  |  |  |
Number of loan agreements with Alpha Bank | Agreement |  |  |  |  |  |  |  |  | 2
Margin on variable rate |  |  | 1.90% |  |  |  |  |  |
Payments to collateral accounts |  |  |  |  |  | 26,600 |  | $ 28,700 |
Face amount |  |  | $ 29,750 |  |  |  |  |  |
Term |  |  | 5 years |  |  |  |  |  |
Number of existing loan facilities being refinanced | Agreement |  |  | 2 |  |  |  |  |  |
Classified amount from assets held for sale |  |  |  |  |  | $ 11,567 |  |  |
Alpha Bank Term Loans [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Prepayment of bank debt in connection with vessel sale | $ 12,775 |  |  |  |  |  |  |  |
P. Aliki Loan [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  |  | $ 18,250 |  |  |  |
Proceeds from loan agreement |  |  |  |  | $ 18,250 |  |  |  |
P. Aliki Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  |  |  |  | 2.60% |  |  |
P. Aliki Loan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  |  |  |  | 0.65% |  |  |
P. Long Beach Loan [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Borrowing capacity |  |  |  | $ 22,000 |  |  |  |  |
Proceeds from loan agreement |  |  |  | $ 22,000 |  |  |  |  |
P. Long Beach Loan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  |  |  |  | 2.35% |  |  |
P. Long Beach Loan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Long-Term Debt and Bonds [Abstract] |  |  |  |  |  |  |  |  |
Margin on variable rate |  |  |  |  |  | 0.65% |  |  |

X
- Definition Face amount of the debt instrument that is available for borrowing at time the agreement is executed and/or amended. + References No definition available. + Details
Name: | pshg_DebtInstrumentBorrowingCapacity
Namespace Prefix: | pshg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of existing loan facilities being refinanced. + References No definition available. + Details
Name: | pshg_DebtInstrumentNumberOfExistingLoanFacilitiesBeingRefinanced
Namespace Prefix: | pshg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of loan agreements with the bank. + References No definition available. + Details
Name: | pshg_NumberOfLoanAgreementsWithBank
Namespace Prefix: | pshg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount prepaid to a bank subsequent to the balance sheet date, in connection with the sale of a vessel, reflecting early settlement of outstanding loan obligations secured against the disposed vessel. + References No definition available. + Details
Name: | pshg_PrepaymentOfBankDebtInConnectionWithVesselSale
Namespace Prefix: | pshg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of assets pledged to secure a debt instrument. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477734/942-470-50-3 + Details
Name: | us-gaap_DebtInstrumentCollateralAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentTerm
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DebtInstrumentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromIssuanceOfSecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying value as of the balance sheet date of the portion of long-term, collateralized debt obligations due within one year or the operating cycle, if longer. Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
Name: | us-gaap_SecuredDebtCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pshg_AlphaBankTermLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pshg_PAlikiLoanMember
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: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=pshg_PLongBeachLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |