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Timber and Timberlands (Narrative) (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Timber And Timberlands [Abstract] |  |  |
Depletion from Company Owned Lands | $ 46.3 | $ 41.7 | $ 43.9
Amortization of Logging Roads | 3.6 | $ 3.6 | $ 3.4
Future payments due under timber cutting contracts | $ 17.6 |  |

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- Definition Amortization of Logging Roads + References No definition available. + Details
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Period Type: | duration

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- Definition Depletion from company-owned lands + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Timber and timberlands. + References No definition available. + Details
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Namespace Prefix: | pch_
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- Definition Timber cutting future payments due. + References No definition available. + Details
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Namespace Prefix: | pch_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant