Nature of Business Operations (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) a segment	Dec. 31, 2017 USD ($) a	Dec. 31, 2016 USD ($)	Mar. 31, 2016	Mar. 03, 2016	Apr. 30, 2013	Apr. 04, 2013
Revenues from External Customers and Long-Lived Assets [Line Items]
Timberland owned or leased (acres)	2,600,000
Number of reportable business segments | segment	5
Timberlands acquired (acres)	29,857	109,533
Payments to acquire timberlands | $	$ 57,608	$ 242,910	$ 366,481
Savannah, Georgia to Daytona Beach, Florida
Revenues from External Customers and Long-Lived Assets [Line Items]
Timberland owned or leased (acres)	200,000
New Zealand
Revenues from External Customers and Long-Lived Assets [Line Items]
Timberlands acquired (acres)	3,833	7,546
Payments to acquire timberlands | $	$ 11,665	$ 21,376
New Zealand JV | New Zealand
Revenues from External Customers and Long-Lived Assets [Line Items]
Timberland owned or leased (acres)	408,000
Rayonier
Revenues from External Customers and Long-Lived Assets [Line Items]
Additional interest acquired (as a percent)							39.00%
Ownership interest (as a percent)				77.00%	77.00%	65.00%	65.00%