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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Accounting Policies [Abstract]    
Tax Years Subject to Examination We, or certain of our subsidiaries, file income tax returns in the U.S. federal jurisdiction and various state jurisdictions. For U.S. federal and state purposes, tax years subject to examination are 2012 through 2015, according to standard statutes of limitations  
Unrecognized Tax Benefits $ 0 $ 0