Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 3)

v3.10.0.1
Summary of Significant Accounting Policies (Details 3) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Changes in operating assets and liabilities:    
Prepaid expenses and other assets $ (74,980) $ (21,719)
Advance ticket sales 612,332 $ 400,920
Net cash provided by operating activities 1,253,801  
Adjustments    
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 30,337  
Advance ticket sales (30,337)  
Net cash provided by operating activities 0  
Balances without adoption of Topic 606    
Changes in operating assets and liabilities:    
Prepaid expenses and other assets (44,643)  
Advance ticket sales 581,995  
Net cash provided by operating activities $ 1,253,801