Segment and Geographical Information - Schedule Depreciation, Depletion and Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	$ 151,146	$ 113,708	$ 119,980
Real Estate | Disposal Group, Not Discontinued Operations
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	36,100
Operating Segments | Southern Timber
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	49,747	54,299	52,307
Operating Segments | Pacific Northwest Timber
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	25,246	14,842	21,282
Operating Segments | New Zealand Timber
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	23,447	29,741	32,161
Operating Segments | Real Estate
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	52,304	14,533	13,355
Operating Segments | Trading
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	0	0	0
Corporate and other
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization	$ 402	$ 293	$ 875