Intangible Assets and Goodwill - Changes in Carrying Amount of Franchise Assets and Goodwill (Details) - USD ($) |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2020 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Net Goodwill | |||
| Beginning balance | $ 475,791,000 | $ 475,791,000 | $ 509,592,000 |
| Additions through current year acquisitions | 6,680,000 | ||
| Reductions from dispositions | (494,000) | (33,801,000) | |
| Reductions from impairment | (268,000,000.0) | (268,000,000.0) | |
| Ending balance | 213,977,000 | 475,791,000 | |
| Net of accumulated impairment losses | 1,100,000,000 | 796,700,000 | |
| Net of accumulated impairment losses | 1,100,000,000 | 796,700,000 | |
| Franchise assets | |||
| Franchise Assets | |||
| Beginning balance | $ 64,300,000 | 64,300,000 | 65,700,000 |
| Additions through current year acquisitions | 0 | ||
| Reductions from dispositions | 0 | (1,400,000) | |
| Reductions from impairment | 0 | ||
| Ending balance | 64,300,000 | $ 64,300,000 | |
| Continuing operations | Franchise assets | |||
| Franchise Assets | |||
| Reductions from impairment | $ 0 | ||
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- 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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- 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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- 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 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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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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 lacking physical substance and having a projected indefinite period of benefit to fair value. Excludes financial assets and goodwill. No definition available.
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- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. No definition available.
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