Segment and Geographical Information - Schedule Depreciation, Depletion and Amortization (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	$ 119,980		$ 116,854		$ 84,631
Matariki Forestry Group [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	27,000
Southern Timber [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	52,000		49,000		53,000
Pacific Northwest Timber [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	21,000		21,000		22,000
New Zealand Timber [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	32,000	[1]	28,000	[1]	0	[1]
Real Estate [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	13,000		18,000		8,000
Trading [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	0		0		0
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	$ 2,000		$ 1,000		$ 2,000

[1] 2013 included an increase of approximately $27 million in depletion expense related to the consolidation of the New Zealand JV. See Note 4 — Joint Venture Investment.