Revenue and Expense from Contracts with Customers (Detail Textuals) - USD ($) $ in Millions |
6 Months Ended | |
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Jun. 30, 2019 |
Dec. 31, 2018 |
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| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||
| Receivables from customers included in accounts receivable, net | $ 19.4 | $ 17.3 |
| Contract with customer liability | $ 1,700.0 | $ 1,200.0 |
| Percentage refundable on cancellation | 50.00% | |
| Revenue recognized included in contract liability | $ 1,200.0 | |
| Revenue | ||
| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||
| Concentration risk, benchmark | No other individual country’s revenues exceed 10% in any given period. | |
| Revenue | Minimum | ||
| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||
| Percentage of revenue attributable to U.S.- sourced passengers | 75.00% | |
| Revenue | Maximum | ||
| Revenue, Initial Application Period Cumulative Effect Transition [Line Items] | ||
| Percentage of revenue attributable to U.S.- sourced passengers | 80.00% |
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- Definition Represents percentage refundable on cancellation. No definition available.
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- Definition Identifies or describes the benchmark that serves as the denominator in the calculation of the percentage of concentration risk. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount due from customers for fees and charges arising from transactions related to the entity's brokerage activities and operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- 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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