Summary of Significant Accounting Policies - Goodwill and Other Intangibles (Details) - Local Brands, Trademarks, Customer Relationships, and Non-Compete Agreements	12 Months Ended
Dec. 31, 2019
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	5 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite-lived intangible assets	40 years

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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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration