Fair Value Measurements and Derivative Instruments - Balance Sheet Hedging Instruments (Details) (Foreign currency debt, Pullmantur and TUI Cruises)	9 Months Ended		12 Months Ended
	Sep. 30, 2014 USD ($)	Sep. 30, 2014 EUR (€)	Dec. 31, 2013 USD ($)	Dec. 31, 2013 EUR (€)	Sep. 30, 2014 Current portion of long-term debt USD ($)	Dec. 31, 2013 Current portion of long-term debt USD ($)	Sep. 30, 2014 Long-term debt USD ($)	Dec. 31, 2013 Long-term debt USD ($)
Net investment hedge
Carrying Value of Non-derivative instrument Designated as hedging instrument	$ 169,819,000		$ 750,796,000		$ 0	$ 477,442,000	$ 169,819,000	$ 273,354,000
Notional Amount of Nonderivative Instruments	$ 169,800,000	€ 134,400,000	$ 750,800,000	€ 544,900,000