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SIGNIFICANT ACCOUNTING POLICIES - Recently Adopted Accounting Pronouncements (Details) - USD ($) $ in Thousands | Jan. 02, 2019 | Dec. 31, 2019 | Jan. 01, 2019
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Operating lease liabilities |  | $ 1,580 |
Operating lease right-of-use assets |  | $ 1,580 |
Right-of-use asset obtained in exchange for operating lease liability | $ 652 |  |
ASU 2016-02 | Adjustment |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Operating lease liabilities |  |  | $ 1,482
Operating lease right-of-use assets |  |  | $ 1,482

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