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Consolidated Statements of Cash Flows (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Statement of Cash Flows [Abstract] |  |
Patronage refunds received, netted with interest paid | $ 3.0 | $ 0.4

X
- Definition Interest Paid, Patronage Refunds + References No definition available. + Details
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Namespace Prefix: | ryn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_StatementOfCashFlowsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration