RELATED PARTY TRANSACTIONS (Details) - Affiliated Entity $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2019
USD ($)
supplier
|
Jun. 30, 2018
USD ($)
|
|
| Related Party Transaction [Line Items] | ||||
| Number of related party suppliers | supplier | 1 | |||
| FMI | ||||
| Related Party Transaction [Line Items] | ||||
| Payments to related party | $ | $ 1,729 | $ 1,565 | $ 2,493 | $ 2,266 |