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Property and Equipment - Impairment Charges (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Property, Plant and Equipment [Abstract] |  |  |
Franchise PPE Impair | $ 2,017 | $ 1,101 | $ 25,832
EchoPark PPE Impair | 0 | 19,667 | 1,582
Property and equipment impairment charges | $ 2,017 | $ 20,768 | $ 27,414

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- Definition EchoPark PPE Impair + References No definition available. + Details
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- Definition Franchise PPE Impair + References No definition available. + Details
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Namespace Prefix: | sah_
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Balance Type: | credit
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- References No definition available. + Details
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- Definition The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109222650&loc=d3e1361-107760 + Details
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