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Organization, Operations and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Property and Equipment Useful Life

Depreciation of buildings, improvements, machinery and equipment is provided principally by the straight-line method over estimated useful lives as follows:

		Years
Real estate:
Buildings			20 to 45
Building improvements			10 to 25
Land improvements			10 to 35
Administrative assets:
Computers and software			3 to 10
Office furniture and equipment			5 to 20
Vehicles and other			5