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Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Goodwill and Intangible Assets Disclosure [Abstract] |  |
Goodwill | $ 487,306 | $ 509,592
Net of accumulated impairment losses | 797,600 | 797,600
Lease agreements |  |
Finite-Lived Intangible Assets [Line Items] |  |
Definite life intangibles |  | 4,000
Franchise assets |  |
Finite-Lived Intangible Assets [Line Items] |  |
Franchise assets | $ 64,300 | $ 65,700

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