Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND ACCOUNTING POLICIES Impairment of Long-Lived Assets (Details)

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NATURE OF OPERATIONS AND ACCOUNTING POLICIES Impairment of Long-Lived Assets (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]      
Impairment of long-lived assets $ 0 $ 0.0 $ 0.0