Concentration Risk (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Supplier Concentration Risk | |||
| Concentration Risk [Line Items] | |||
| Expenses incurred on hotel and restaurant services | $ 59.0 | $ 153.6 | $ 153.7 |
| X | ||||||||||
- Definition The amount related to expenses incurred on hotel and restaurant services. No definition available.
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| X | ||||||||||
- Definition 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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| X | ||||||||||
- Details
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