NATURE OF OPERATIONS AND ACCOUNTING POLICIES - Impairment of Long-Lived Assets (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
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Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
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| Property, Plant and Equipment [Line Items] | |||
| Impairment of long-lived assets | $ 2,551 | $ 991 | $ 117,018 |
| H225 Helicopters | |||
| Property, Plant and Equipment [Line Items] | |||
| Impairment of long-lived assets | $ 1,600 | ||
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long lived assets held for use (including those held for disposal by means other than sale). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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. No definition available.
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- Details
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