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Certain Balance Sheet Components - (Narrative) (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2022 | Sep. 30, 2021
Property, Plant and Equipment [Line Items] |  |
Gain on insurance recoveries on destroyed property | $ (276,000) |
Ola, Arkansas Sawmill [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Gain on insurance recoveries on destroyed property | 0 |
Business interruption recoveries | $ 0 |
Proceeds From Insurance Recoveries For Property Loss |  | $ 15,000,000.0

X
- Definition Business interruption recoveries. + References No definition available. + Details
Name: | pch_BusinessInterruptionRecoveries
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Gain on insurance recoveries on destroyed property. + References No definition available. + Details
Name: | pch_GainOnInsuranceRecoveriesOnDestroyedProperty
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Proceeds from insurance recoveries for property loss. + References No definition available. + Details
Name: | pch_ProceedsFromInsuranceRecoveriesForPropertyLoss
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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