ACQUIRED INTANGIBLE ASSETS - Narrative (Details) |
9 Months Ended |
|---|---|
Sep. 30, 2019 | |
| Technology assets | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Amortization period | 5 years |
| Customer assets | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Amortization period | 12 years |
| Trade name | |
| Acquired Finite-Lived Intangible Assets [Line Items] | |
| Amortization period | 4 years |