XML 54 R43.htm IDEA: XBRL DOCUMENT
v3.25.2

Derivatives and Hedging Activities - Components of interest rate swap (Details) $ in Thousands | Jun. 30, 2025 USD ($)
--- | ---
Interest Rate Swap, Effective May 2022, Maturity of January 2027 |
Derivative [Line Items] |
Notional Amount | $ 50,000
Fixed Rate (as a percent) | 2.291%
Interest Rate Swap, Effective May 2022, Maturity of February 2028 |
Derivative [Line Items] |
Notional Amount | $ 25,000
Fixed Rate (as a percent) | 4.237%
Interest Rate Swap, Effective May 2022, Maturity of February 2028 Two |
Derivative [Line Items] |
Notional Amount | $ 25,000
Fixed Rate (as a percent) | 4.237%
Interest Rate Swap, Effective July 2022, Maturity of February 2028 |
Derivative [Line Items] |
Notional Amount | $ 25,000
Fixed Rate (as a percent) | 4.81%
Interest Rate Swap, Effective December 2022, Maturity of February 2028 |
Derivative [Line Items] |
Notional Amount | $ 40,000
Fixed Rate (as a percent) | 4.952%
Interest Rate Swap, Effective July 2023, Maturity of January 2027 |
Derivative [Line Items] |
Notional Amount | $ 25,000
Fixed Rate (as a percent) | 5.756%
Interest Rate Swap, Effective September 2023, Maturity of February 2028 |
Derivative [Line Items] |
Notional Amount | $ 10,000
Fixed Rate (as a percent) | 6.069%
Interest Rate Swap, Effective October 2024, Maturity of February 2028 |
Derivative [Line Items] |
Notional Amount | $ 40,000
Fixed Rate (as a percent) | 5.291%
Interest Rate Swap, Effective November 2024, Maturity of February 2028 |
Derivative [Line Items] |
Notional Amount | $ 10
Fixed Rate (as a percent) | 5.572%

X
- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
Name: | us-gaap_DerivativeFixedInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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/2009/role/commonPracticeRef -Topic 815 -SubTopic 20 -Name Accounting Standards Codification -Section 25 -Paragraph 6A -Publisher FASB -URI https://asc.fasb.org/1943274/2147480682/815-20-25-6A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 181 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480401/815-10-55-181 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1B Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-1A + Details
Name: | us-gaap_DerivativeNotionalAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveMay2022MaturityOfJanuary2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveMay2022MaturityOfFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveMay2022MaturityOfFebruary2028TwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveJuly2022MaturityOfFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveDecember2022MaturityOfFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveJuly2023MaturityOfJanuary2027Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveSeptember2023MaturityOfFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveOctober2024MaturityOfFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=pstl_InterestRateSwapEffectiveNovember2024MaturityOfFebruary2028Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |