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DERIVATIVE FINANCIAL INSTRUMENTS (Narrative) (Details) - Interest Rate Swap [Member] $ in Thousands | Dec. 31, 2018 USD ($) | Mar. 31, 2018 USD ($)
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Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Derivative, Notional Amount | $ 150,000 | $ 150,000
Derivative, Number of Instruments Held | 3 |

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