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Summary of Significant Accounting Policies - New or Recently Adopted Accounting Pronouncements (Details) $ in Millions | Dec. 31, 2015 USD ($)
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Accounting Policies [Abstract] |
Capitalized Debt Costs | $ 3.3
Capitalized Revolving Debt Costs | $ 0.6

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- Definition Capitalized Debt Costs + References No definition available. + Details
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Namespace Prefix: | ryn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Capitalized Revolving Debt Costs + References No definition available. + Details
Name: | ryn_CapitalizedRevolvingDebtCosts
Namespace Prefix: | ryn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration