Gain on Dispositions of Plant, Equipment and Timberlands (Tables)

12 Months Ended

Dec. 31, 2017

Property Plant And Equipment [Abstract]

Summary for Sale of Timberlands and Other Assets

During 2017, 2016 and 2015, we completed the following sales of assets:

Dollars in thousands	Acres		Proceeds		Gain (loss)
2017
Timberlands		332	$	209	$	188
Other	n/a			19		(214	)
Total			$	228	$	(26	)
2016
Timberlands		—	$	-	$	-
Other	n/a			70		(216	)
Total			$	70	$	(216	)
2015
Timberlands		15,628	$	23,917	$	20,867
Other	n/a		542		246
Total			$	24,459	$	21,113