Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Depreciation is computed using the straight-line method over the estimated economic lives of various assets, as follows:



			Estimated Useful Life (in years)
Railroad and equipment			15-30
Furniture and fixtures			5-10
Machinery and equipment			3-10
Office equipment			5-10
Autos and trucks			5

Depreciation is computed on the straight-line method over the estimated economic lives of the assets, as follows:



			Estimated Useful Life (in years)
Land			N/A
Land improvements			15 - 20
Buildings			20-40
Building improvements			5-25
Timber			N/A

Operating property includes the following components:



	December 31, 2017		December 31, 2016
Land and land improvements	$	77,788	$	73,239
Buildings and building improvements	152,272		133,678
Timber	10,951		10,203
	241,011		217,120
Less: Accumulated depreciation	71,752		67,349
Total operating property, net	$	169,259	$	149,771

Property and equipment, net consists of the following:



	December 31, 2017		December 31, 2016
Railroad and equipment	$	33,626	$	33,626
Furniture and fixtures	22,552		19,191
Machinery and equipment	9,468		8,998
Office equipment	5,322		5,154
Autos and trucks	1,012		1,075
	71,980		68,044
Less: Accumulated depreciation	60,697		59,404
	11,283		8,640
Construction in progress	493		352
Total property and equipment, net	$	11,776	$	8,992

Minimum future base rents on non-cancelable leases for the next five years are: