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RECENT ACCOUNTING PRONOUNCEMENTS NEW ACCOUNTING PRONOUNCEMENTS (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2018 | Jan. 01, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cash rewards paid | $ 111 | $ 206 |
Equity investments gain (loss) | 11 | (24) |
Retained Earnings |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cumulative effect adjustment | $ 198 | $ 198 |
Accounting Standards Update 2016-01 | AOCI |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cumulative effect adjustment |  |  | $ (198)
Accounting Standards Update 2016-01 | Retained Earnings |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Cumulative effect adjustment |  |  | $ 198

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