INTANGIBLE ASSETS AND GOODWILL - Changes in Goodwill (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2019 |
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Goodwill [Roll Forward] | |||||
| Goodwill balance before cumulative loss on impairment as of January 1, | $ 1,024,467 | $ 1,024,467 | $ 982,663 | ||
| Accumulated loss on impairment as of January 1, | (980,547) | (980,547) | $ (443,194) | ||
| Goodwill beginning balance after cumulative loss on impairment as of January 1, | $ 43,920 | 539,469 | |||
| Loss on impairment during year | 0 | (537,400) | (537,353) | ||
| Dispositions | 0 | (4,862) | |||
| Acquisitions | 0 | 46,666 | |||
| Measurement period adjustments to acquired goodwill | (28) | $ (28) | 0 | ||
| Ending period balance | $ 43,892 | $ 43,920 | $ 43,892 | $ 43,920 | |
| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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