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PENSION LIABILITY (Details) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Pension liability | $ 66,538 | $ 68,359
Payments through April 30, 2024 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, expected future employer contributions | 800 |
Payments from May 1, 2024 through November 30, 2033 [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Defined benefit plan, expected future employer contributions | $ 1,700 |

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- Definition Amount of contributions expected to be received by defined benefit plan from employer. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109237824&loc=d3e1703-114919 + Details
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- Details
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- Details
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