Incentive Stock Plans - Restricted Stock - Narrative (Details) - Restricted Stock $ in Millions	12 Months Ended
Dec. 31, 2015 USD ($) anniversary shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting rate, percentage	33.00%
Vesting of First Batch, Anniversary \| anniversary	3
Vesting of Second Batch, Anniversary \| anniversary	4
Vesting of Third Batch, Anniversary \| anniversary	5
Number of Rayonier Advanced Materials shares for every three Rayonier shares \| shares	1
Number of Rayonier shares for issuance of one Rayonier Advanced Materials share \| shares	3
Unrecognized compensation cost \| $	$ 4.0
Weighted average period for recognition, years	3 years 7 months
Reissued 2013 Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	24 months
Performance Share Award 2013, Incremental
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)	2 years
Incremental value \| $	$ 0.7
Incremental value adjusted for cancels \| $	$ 0.4

Share-based Compensation Arrangement by Share-based Payment Award, Plan Modification, Adjusted For Cancels To Date

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- Definition

Stock Issued During Period, Company Shares Used to Determine Spin-off Shares Issued

+ References

No definition available.

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- Definition

Stock Issued During Period, Spin-off Shares Issued per Determined Number of Company Shares

+ References

No definition available.

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- Definition

Vesting Rate of Restricted Stock

+ References

No definition available.

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- Definition

Vesting of First Batch, Anniversary

+ References

No definition available.

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- Definition

Vesting of Second Batch, Anniversary

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No definition available.

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- Definition

Vesting of Third Batch, Anniversary

+ References

No definition available.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- 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.

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- Definition

An excess of the fair value of the modified award over the fair value of the award immediately before the modification.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)(iii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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