v3.8.0.1
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Adoption of New Accounting Pronouncements (Details)
$ in Millions
Jan. 01, 2017
USD ($)
Accounting Standards Update 2016-09 | Accumulated Deficit  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
Cumulative effect of new accounting principle in period of adoption $ 0.2