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DERIVATIVE INSTRUMENTS (Tables) | 8 Months Ended
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Dec. 31, 2018
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Schedule of Derivative Assets at Fair Value | The table below presents the fair value of our derivative financial instruments as well as their classification on our Consolidated Balance Sheets as of December 31, 2018, April 30, 2018 and April 30, 2017.
|  |  | (in thousands) |  |  |  | (in thousands)
|  |  | December 31, 2018 |  | April 30, 2018 |  | April 30, 2017 |  |  |  | December 31, 2018 |  | April 30, 2018 |  | April 30, 2017
| Balance Sheet Location |  | Fair Value |  |  | Fair Value |  | Fair Value |  | Balance Sheet Location |  | Fair Value |  |  | Fair Value |  | Fair Value
Derivative instruments - interest rate swaps | Other Assets |  | $ | 818 |  |  | $ | 1,779 |  |  | — |  |  | Accounts Payable and Accrued Expenses |  | $ | 1,675 |  |  | — |  |  | — |
Total derivatives designated as hedging instruments |  |  | $ | 818 |  |  | $ | 1,779 |  |  | — |  |  |  |  | $ | 1,675 |  |  | — |  |  | — |
Schedule of Cash Flow Hedges Included in Accumulated Other Comprehensive Income (Loss) | The table below presents the effect of the Company's derivative financial instruments on the Consolidated Statements of Operations as of December 31, 2018 and April 30, 2018.
| (in thousands)
| Gain (Loss) Recognized in OCI |  | Location of Gain (Loss) Reclassified from Accumulated OCI into Income |  | Gain (Loss) Reclassified from Accumulated OCI into Income
| Transition Period Ended December 31, |  | Year Ended April 30, |  |  |  | Transition Period Ended December 31, |  | Year Ended April 30,
| 2018 |  | 2018 |  | 2017 |  |  |  | 2018 |  | 2018 |  | 2017
Interest rate contracts | $ | (2,794 | ) |  | $ | 1,627 |  |  | — |  |  | Interest expense |  | $ | (159 | ) |  | $ | (152 | ) |  | — |
Total derivatives in cash flow hedging relationships | $ | (2,794 | ) |  | $ | 1,627 |  |  | — |  |  |  |  | $ | (159 | ) |  | $ | (152 | ) |  | — |

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- Definition Tabular disclosure of gain (loss) on derivative and nonderivative instruments designated and qualifying as cash flow hedge recorded in accumulated other comprehensive income (AOCI) and reclassified into earnings. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Tabular disclosure of derivative assets at fair value. + References No definition available. + Details
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