Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

- Definition

Derivative, Notional Amount, Net of Current Expirations

+ References

No definition available.

+ Details

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- Definition

Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Percent Swapped, Long-Term

+ References

No definition available.

+ Details

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Period remaining until the derivative contract matures, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount borrowed under the credit facility as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

The effective interest rate during the reporting period.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Details

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Debt - Senior Secured Facilities Agreement - Revolving Credit Facility (Narrative) (Details) (USD $)	12 Months Ended	1 Months Ended
	Dec. 31, 2014	Apr. 30, 2011	Dec. 31, 2013
Not Designated as Hedging Instrument [Member] \| Interest rate swaps [Member]
Debt Instrument [Line Items]
Derivative, Notional Amount, Net of Current Expirations	149,000,000
Notional Amount	161,968,000		183,851,000
Weighted average interest rate	5.00%
Not Designated as Hedging Instrument [Member] \| Interest rate swaps [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Remaining maturity	1 year
Not Designated as Hedging Instrument [Member] \| Interest rate swaps [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Remaining maturity	5 years
Senior Secured Facilities Agreement as Amended July 2013, Revolving Cash Advance Facility due 2016 [Member] \| Not Designated as Hedging Instrument [Member] \| Interest rate swaps [Member]
Debt Instrument [Line Items]
Percentage of JV variable debt hedged by long-term interest rate derivatives	81.00%
Senior Secured Facilities Agreement as Amended July 2013, Revolving Cash Advance Facility due 2016 [Member] \| Matariki Forestry Group [Member]
Debt Instrument [Line Items]
Amount outstanding	184,000,000
Interest rate during period	4.47%
Maturity date description	September 2016
Interest rate description	The interest rate is indexed to the 90 day New Zealand Bank bill rate and is generally repriced quarterly. The margin on the index rate fluctuates based on the interest coverage ratio
Senior Secured Facilities Agreement as Amended July 2013, Revolving Cash Advance Facility due 2016 [Member]
Debt Instrument [Line Items]
Commitment fee percentage		0.80%
Notional Amounts Set to Expire January 2015 [Member] \| Not Designated as Hedging Instrument [Member] \| Interest rate swaps [Member]
Debt Instrument [Line Items]
Notional Amount	13,000,000