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Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2016
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Income Tax Contingency [Line Items]        
Effective income tax rate   28.00% 29.00%  
Unrecognized tax benefits   $ 56,000   $ 69,000
Percentage of future payments to existing shareholders, US federal income tax cash savings   85.00%    
Percentage of future payments to other shareholders, US federal income tax cash savings   15.00%    
Current TRA liability   $ 100,284   $ 0
Internal Revenue Service (IRS) [Member]        
Income Tax Contingency [Line Items]        
Estimated future payments under TRA related tax assets   387,000    
Current TRA liability   100,000    
Accrued interest of TRA liability   1,000    
Internal Revenue Service (IRS) [Member] | Other Noncurrent Liabilities [Member]        
Income Tax Contingency [Line Items]        
TRA liability   $ 288,000    
Internal Revenue Service (IRS) [Member] | LIBOR [Member]        
Income Tax Contingency [Line Items]        
Variable rate on TRA liability   1.00%    
Travelocity [Member]        
Income Tax Contingency [Line Items]        
U.S. tax benefit related to discontinued operations $ 17,000