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v3.26.1

Subsequent Events, Conclusion of Sale of Vessel with Delivery to its New Owners (Details) | Jul. 15, 2026
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Subsequent Event [Member] | P. Sophia [Member] |
Subsequent Events [Abstract] |
Hull delivery date | July 15, 2026

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- Definition Delivery date of hull. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 830 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481674/830-30-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=pshg_PSophiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |