Amount of increase in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (a),(c),(d),(e)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959

+ Details

Name:	us-gaap_DerivativeGainOnDerivative
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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

- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ References

+ Details

Name:	us-gaap_DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

+ Details

Name:	us-gaap_DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherComprehensiveIncomeLocationAxis=us-gaap_OtherComprehensiveIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_NetInvestmentHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_OtherOperatingIncomeExpenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ryn_InterestandOtherMiscellaneousIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES (Income Statement Location) (Details) - USD ($) $ in Thousands			3 Months Ended		9 Months Ended
	Mar. 03, 2016	Feb. 29, 2016	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Designated as Hedging Instrument \| Foreign currency exchange contracts \| Other comprehensive income (loss) \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in other comprehensive income			$ 259	$ (289)	$ 2,075	$ (2,597)
Designated as Hedging Instrument \| Foreign currency exchange contracts \| Other comprehensive income (loss) \| Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in other comprehensive income			0	1,151	(4,606)	4,258
Designated as Hedging Instrument \| Foreign currency option contracts \| Other comprehensive income (loss) \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in other comprehensive income			635	(788)	2,564	(4,127)
Designated as Hedging Instrument \| Foreign currency option contracts \| Other comprehensive income (loss) \| Net Investment Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in other comprehensive income			0	2,084	0	2,084
Designated as Hedging Instrument \| Interest rate swaps \| Other comprehensive income (loss) \| Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in other comprehensive income			3,529	(13,644)	(25,459)	(13,644)
Not Designated as Hedging Instrument \| Foreign currency exchange contracts \| Other operating income, net
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in income	$ 900				895	0
Not Designated as Hedging Instrument \| Foreign currency option contracts \| Other operating income, net
Derivative Instruments, Gain (Loss) [Line Items]
Designated hedged item, gain (loss) recognized in income		$ 300	0	847	258	1,394
Not Designated as Hedging Instrument \| Interest rate swaps \| Interest income and miscellaneous income (expense), net
Derivative Instruments, Gain (Loss) [Line Items]
Non-designated hedged item, gain (loss) recognized in income			$ 0	$ (1,650)	$ (1,219)	$ 4,923