OVERVIEW AND BASIS OF PRESENTATION (Details) $ / shares in Units, $ in Thousands	Dec. 13, 2018 USD ($) $ / shares shares	Jul. 20, 2018 USD ($) $ / shares shares	Mar. 31, 2019 employee customer country $ / shares	Dec. 31, 2018 $ / shares	Jan. 23, 2018 $ / shares
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of countries in which company operates | country			13
Number of employees (over) | employee			45,000
Number of customers (over) | customer			250
Business Acquisition [Line Items]
Common stock, par value (in dollars per share) | $ / shares	$ 0.01	$ 0.01	$ 0.01	$ 0.01	$ 0.01
Aegis Stockholder
Business Acquisition [Line Items]
Ownership by Aegis Stockholder, percentage	56.00%
Number of shares issued and sold (in shares)	368,098
Share price (in dollars per share) | $ / shares	$ 6.52
Total purchase price | $	$ 2,400
Aegis
Business Acquisition [Line Items]
Stock consideration (number of shares outstanding immediately prior the closing date)		16,226,392
Closing share price on July 20, 2018 | $ / shares		$ 6.81
Aegis | Common Stock
Business Acquisition [Line Items]
Closing share price on July 20, 2018 | $ / shares		$ 12
Closing share price on July 20, 2018 | $		$ 2,000
Aegis | Common Stock | Aegis Stockholder
Business Acquisition [Line Items]
Stock consideration (number of shares outstanding immediately prior the closing date)		20,600,000
Business acquisition, number of additional shares (in shares)		166,667
Ownership by Aegis Stockholder, shares		20,766,667
Ownership by Aegis Stockholder, percentage		55.00%