Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Effective Income Tax Rate Reconciliation, Amount [Abstract]
U.S. federal statutory income tax rate	$ (15,695)	$ (24,555)	$ 3,600
REIT income and taxable losses	32,058	52,812	27,724
Foreign operations	(159)	(95)	0
Loss on early redemption of Senior Exchangeable Notes	0	(859)	0
Other	112	101	251
Income tax benefit before discrete items	16,316	27,404	31,575
CBPC valuation allowance	(13,644)	0	0
Deferred tax inventory valuations	5,151ryn_DeferredTaxInventoryValuations	983ryn_DeferredTaxInventoryValuations	(4,920)ryn_DeferredTaxInventoryValuations
Uncertain tax positions	1,830	800	0
Return to accrual adjustments	0	0	(12)
Gain related to consolidation of New Zealand joint venture	0	5,634	0
Reversal of REIT BIG tax payable	0	485	0
Other	(52)	379	417
Total	$ 9,601us-gaap_IncomeTaxExpenseBenefit	$ 35,685us-gaap_IncomeTaxExpenseBenefit	$ 27,060us-gaap_IncomeTaxExpenseBenefit
Effective Income Tax Rate Reconciliation, Percent [Abstract]
U.S. federal statutory income tax rate	35.00%	35.00%	(35.00%)
REIT income and taxable losses	(71.50%)	(75.30%)	(269.50%)
Foreign operations	0.40%	0.10%	0.00%
Loss on early redemption of Senior Exchangeable Notes	0.00%	1.20%	0.00%
Other	(0.30%)	(0.10%)	(2.50%)
Income tax benefit before discrete items	(36.40%)	(39.10%)	(307.00%)
CBPC valuation allowance	30.40%	0.00%	0.00%
Deferred tax inventory valuations	(11.50%)	(1.40%)	47.80%
Uncertain tax positions	(4.10%)	(1.10%)	0.00%
Return to accrual adjustments	0.00%	0.00%	0.10%
Gain related to consolidation of New Zealand joint venture	0.00%	(8.00%)	0.00%
Reversal of REIT BIG tax payable	0.00%	(0.70%)	0.00%
Other	0.20%	(0.60%)	(4.00%)
Income tax benefit as reported for continuing operations	(21.40%)	(50.90%)	(263.10%)

Deferred Tax, Inventory Valuations

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Deferred Tax, Inventory Valuations, Percent

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Effective Income Tax Continuing Operations Before Discrete Items

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A ratio calculated by dividing the reported amount of income tax expense before discrete items attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations before discrete income items.

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Effective Income Tax Rate Reconciliation, Gain on Foreign Joint Venture

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Effective Income Tax Rate Reconciliation, Gain on Foreign Joint Venture, Percent

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Effective Income Tax Rate Reconciliation, Loss on Early Redemption, Senior Exchangeable Notes, Amount

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Effective Income Tax Rate Reconciliation, Loss on Early Redemption, Senior Exchangeable Notes, Rate

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Effective Income Tax Rate Reconciliation, Reversal of REIT BIG Tax Payable, Amount

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Effective Income Tax Rate Reconciliation, Reversal of REIT BIG Tax Payable, Percent

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Effective Income Tax Rate Reconciliation, Uncertain Tax Positions, Amount

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Effective Income Tax Rate Reconciliation, Uncertain Tax Positions, Percent

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Effective Income Tax Reconciliation, Other Adjustments

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Effective Income Tax Reconciliation REIT Income Not Subject to Tax

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to REIT income that is exempt from income taxes under enacted tax laws expressed as a percentage of pretax income.

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Effective Income Tax Reconciliation, Return to Accrual Adjustments, Change in Amount

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Effective Income Tax Reconciliation, Return to Accrual Adjustments, Rate

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Income Tax Reconciliation, Other Reconciling Items Rate The sum of other amounts reflected in the reconciliation of the statutory tax provision (benefit) to the actual tax provision (benefit) expressed as a percentage of pretax income.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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