Goodwill - Schedule of Goodwill (Details) - USD ($) $ in Thousands |
4 Months Ended | 8 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2019 |
Aug. 31, 2019 |
Dec. 31, 2020 |
Dec. 31, 2018 |
Sep. 01, 2019 |
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| Goodwill [Roll Forward] | ||||||
| Goodwill, Beginning Balance | $ 81,943 | |||||
| Goodwill impairment | $ 0 | $ 0 | (81,943) | $ (563,549) | ||
| Goodwill, Ending Balance | $ 81,943 | 81,943 | 0 | |||
| Brinks Home Security | ||||||
| Goodwill [Roll Forward] | ||||||
| Goodwill, Beginning Balance | 81,943 | 0 | 0 | 81,943 | ||
| Period activity | 0 | 0 | ||||
| Impact of fresh start accounting | $ 81,943 | |||||
| Goodwill impairment | (81,943) | |||||
| Goodwill, Ending Balance | $ 81,943 | $ 81,943 | $ 0 | $ 0 | $ 0 | |
| X | ||||||||||
- Definition Amount of fresh-start adjustment to goodwill. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| 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://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- 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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| X | ||||||||||
- Definition Amount of increase (decrease) 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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| 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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| X | ||||||||||
- Details
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