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RECENTLY ADOPTED AND ISSUED ACCOUNTING STANDARDS - Additional Information (Details) - USD ($) $ in Thousands | Mar. 31, 2019 | Apr. 01, 2018
--- | --- | ---
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard |  | $ 1,956
Adoption of new accounting standard, ASU 2016-02 |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard | $ (2,491) |
Adoption of new accounting standard, ASU 2018-02 |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard | 0 |
Accumulated Other Comprehensive Income (Loss) |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard | (61,861) |
Accumulated Other Comprehensive Income (Loss) | Adoption of new accounting standard, ASU 2018-02 |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard | (61,861) |
Retained Earnings |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard |  | $ 1,956
Retained Earnings | Adoption of new accounting standard, ASU 2016-02 |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard | (2,491) |
Retained Earnings | Adoption of new accounting standard, ASU 2018-02 |  |
Prior Period Adjustments Restatement [Line Items] |  |
Adoption of new accounting standard | $ 61,861 |

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