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
9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Changes in operating assets and liabilities:    
Prepaid expenses and other assets $ (34,668) $ (14,774)
Advance ticket sales 316,268 $ 187,131
Net cash provided by operating activities 1,720,101  
Adjustments    
Changes in operating assets and liabilities:    
Prepaid expenses and other assets 8,282  
Advance ticket sales (8,282)  
Net cash provided by operating activities 0  
Balances without adoption of Topic 606    
Changes in operating assets and liabilities:    
Prepaid expenses and other assets (26,386)  
Advance ticket sales 307,986  
Net cash provided by operating activities $ 1,720,101