XML 63 R52.htm IDEA: XBRL DOCUMENT v3.10.0.1
COMMITMENTS AND CONTINGENCIES - Schedule of Client Revenue Concentration (Details)
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Customer Concentration Risk | Revenue | North America | Client A    
Product Information [Line Items]    
Concentration Risk 11.00% 13.60%