Timber and Timberlands (Schedule of Future Payments Due Under Timber Cutting Contracts) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Timber And Timberlands [Abstract]
2019	$ 8,058
2020	4,304
2021	7,001
2022	377
Total	$ 19,740

Payments under timber cutting contracts, due next twelve months

No definition available.

Name:	pch_PaymentsUnderTimberCuttingContractsDueNextTwelveMonths
Namespace Prefix:	pch_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant