| Leases (Detail Textuals) - USD ($) $ in Thousands | Mar. 31, 2019 | Jan. 01, 2019 | 
|---|---|---|
| Leases [Abstract] | ||
| Operating lease right-of-use assets | $ 235,000 | |
| Operating lease liability | $ 237,958 | 243,800 | 
| Reclassification operating right of use assets | $ 8,800 | |
| Undiscounted minimum annual guarantees | $ 806,700 | |
| Renewal term | 5 years | 
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- Definition Represents amount of undiscounted minimum annual guarantees. No definition available. 
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- Definition Amount reclassified to operating right-of-use assets from other asset and liability accounts relating to the existing leases. No definition available. 
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- References No definition available. 
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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