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v2.4.0.6

Nature of Business Operations (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012 Acres | Dec. 31, 2011 Acres
Acres Of Timberland Owned Managed | 2,700,000 |
Acres of High Value Real Estate Owned | 200,000 |
Forest Resources [Member] |  |
Acres Of Timberland Owned Managed | 2,600,000 |
Acres of Timberlands Acquired | 88,000 | 308,000
Real Estate Segment [Member] |  |
Area of Real Estate Property | 100,000 |
Performance Fibers Segment [Member] |  |
Production Capacity in Metric Tons | 745,000 |
Percentage of Sales to Export Customers | 63.00% |
Performance Fibers Segment [Member] | Cellulose Specialties Expansion (CSE) [Member] |  |
Increase in Cellulose Specialties Capacity | 190,000 |
Decrease in Absorbent Materials Capacity | 260,000 |
Anticipated Post-conversion Production Capacity in Metric Tons | 675,000 |

X
- Definition The total acreage of high value real estate owned. + References No definition available. + Details
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Namespace Prefix: | ryn_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of timberland acres owned and managed. + References No definition available. + Details
Name: | ryn_AcresOfTimberlandOwnedManaged
Namespace Prefix: | ryn_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of timberland acres acquired during the reporting period. + References No definition available. + Details
Name: | ryn_AcresOfTimberlandsAcquired
Namespace Prefix: | ryn_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total production capacity expected for the Performance Fibers Jesup, GA mill following the conversion of the absorbent materials production line to cellulose specialties (CSE). + References No definition available. + Details
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Namespace Prefix: | ryn_
Data Type: | xbrli:integerItemType
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- Definition The expected or actual decrease in absorbent materials production capacity resulting from a capital project or impairment. + References No definition available. + Details
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Namespace Prefix: | ryn_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition The expected or actual increase in cellulose specialties production capacity due to a specific capital project or combination of capital projects. + References No definition available. + Details
Name: | ryn_IncreaseInCelluloseSpecialtiesProductionCapacity
Namespace Prefix: | ryn_
Data Type: | num:massItemType
Balance Type: | na
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- Definition Percentage of sales to export customers within a given period. + References No definition available. + Details
Name: | ryn_PercentageOfSalesToExportCustomers
Namespace Prefix: | ryn_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition A measurement of production capacity in metric tons for a given period. + References No definition available. + Details
Name: | ryn_ProductionCapacityInMetricTons
Namespace Prefix: | ryn_
Data Type: | num:massItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property. + References No definition available. + Details
Name: | us-gaap_AreaOfRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant