Condensed Consolidated Statements of Cash Flows (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012	Sep. 30, 2011
Investing Activities:
Jesup mill cellulose specialties expansion, gross purchases	$ 130,718	$ 14,567
Jesup mill cellulose specialties expansion, purchases on account	$ 25,936	$ 6,508

Purchases on account related to the Jesup mill expansion to increase production in the cellulose specialties product line.

No definition available.

Name:	ryn_JesupMillCelluloseSpecialtiesExpansionPurchasesOnAccount
Namespace Prefix:	ryn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration