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Timber and Timberlands (Schedule of Timber and Timberlands) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Timber And Timberlands [Abstract] |  |
Timber and timberlands | $ 1,516,788 | $ 1,554,882
Logging roads | 83,273 | 83,781
Total timber and timberlands, net | $ 1,600,061 | $ 1,638,663

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- Definition Logging roads, net. + References No definition available. + Details
Name: | pch_LoggingRoads
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Timber and timberlands. + References No definition available. + Details
Name: | pch_TimberAndTimberlandsAbstract
Namespace Prefix: | pch_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount after accumulated depreciation and depletion of forest crops and land devoted primarily to the growth and harvest of forest crops for commercial purposes. + References No definition available. + Details
Name: | pch_TimberAndTimberlandsNet
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Timber and timberlands net of depletion. + References No definition available. + Details
Name: | pch_TimberAndTimberlandsNetOfDepletion
Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant