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Segment Information (Summary of Additional Reportable Segment Financial Information) (Parenthetical) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Segment Reporting [Abstract]
Real estate development expenditures	$ 6,706	$ 7,254	$ 5,049

X

- Definition

Real estate development expenditures.

+ References

No definition available.

+ Details

Name:	pch_RealEstateDevelopmentExpenditures
Namespace Prefix:	pch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_SegmentReportingAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration