v3.6.0.2
DESCRIPTION OF BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details)
12 Months Ended
Dec. 31, 2016
Minimum  
Property and Equipment [Line Items]  
Estimated useful lives 2 years
Maximum  
Property and Equipment [Line Items]  
Estimated useful lives 7 years
Leasehold improvements | Minimum  
Property and Equipment [Line Items]  
Estimated useful lives 2 years
Leasehold improvements | Maximum  
Property and Equipment [Line Items]  
Estimated useful lives 7 years