GOODWILL AND OTHER INTANGIBLE ASSETS - Summary of Changes in Goodwill (Details) $ in Thousands |
12 Months Ended |
|---|---|
|
Dec. 31, 2018
USD ($)
| |
| Goodwill [Roll Forward] | |
| Balance at beginning of period | $ 1,585 |
| Impairment of goodwill | (1,585) |
| Balance at end of period | 0 |
| Corporate Entity and Other Business Units | |
| Goodwill [Roll Forward] | |
| Balance at beginning of period | 1,585 |
| Impairment of goodwill | (1,585) |
| Balance at end of period | $ 0 |