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BASIS OF PRESENTATION (Details) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Jan. 01, 2019 USD ($) | Jun. 30, 2019 USD ($) subsidiary
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
Number of wholly owned subsidiaries | subsidiary |  | 2
Operating Lease, Right-of-Use Asset | $ 5,500 | $ 5,299
Operating Lease, Liability, Noncurrent | 5,500 |
cumulative period adjustment made to retained earnings | 0 |
Accounting Standards Update 2017-08 |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |
cumulative period adjustment made to retained earnings | $ 1,300 |

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