Other Operating Income, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other Income and Expenses [Abstract]
Lease and license income, primarily from hunting	$ 18,201	$ 19,216	$ 17,569
Other non-timber income	2,198	3,597	2,621
Foreign currency income (loss)	283	(89)	3,498
Gain on sale or disposal of property plant & equipment	85	7	48
(Loss) gain on foreign currency exchange and option contracts	(645)	(5,338)	32
Legal and corporate development costs	0	0	(222)
Deferred payments related to prior land sales	8,658	0	0
Bankruptcy claim settlement	0	0	5,779
Costs related to business combination	(1,316)	0	0
Gain on foreign currency derivatives	1,153	0	0
Gain (loss) on sale of carbon credits	4,170	352	(307)
New Zealand J.V. log trading agency and marketing fees	2,303	1,191	0
Miscellaneous (expense) income, net	(99)	823	(2,507)
Total	$ 34,991	$ 19,759	$ 26,511