XML 64 R37.htm IDEA: XBRL DOCUMENT v3.19.3
Revenues - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Capitalized Contract Cost [Line Items]          
Passenger ticket revenues $ 3,186,850 $ 2,796,187 $ 8,433,248 $ 7,161,548  
Contract liability 1,900,000   1,900,000   $ 1,900,000
Contract asset 56,100   56,100   57,800
Commission, transportation and other          
Capitalized Contract Cost [Line Items]          
Prepaid travel agent commissions 146,500   $ 146,500   $ 153,500
Minimum          
Capitalized Contract Cost [Line Items]          
Length of cruise     2 days    
Maximum          
Capitalized Contract Cost [Line Items]          
Length of cruise     25 days    
Port Costs          
Capitalized Contract Cost [Line Items]          
Passenger ticket revenues $ 184,000 $ 174,100 $ 509,600 $ 462,200