Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Jul. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 4,425	$ 0	$ 4,730	$ 0
Pullmantur
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,495		1,495			$ 0
Restructuring charges	1,800		2,135
Pullmantur | Cruise operating, depreciation and amortization expenses
Restructuring Cost and Reserve [Line Items]
Other costs to implement initiatives	700		3,600
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	2,539		2,539			0
Restructuring charges	2,600		2,595
Employee Severance | Pullmantur
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	1,446		1,446			0
Restructuring charges			2,067
Employee Severance | Other Restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring Reserve	$ 2,524		2,524			$ 0
Restructuring charges			$ 2,580
Subsequent Event | Pullmantur and CDF Croisieres de France
Restructuring Cost and Reserve [Line Items]
Percentage of subsidiary which has been sold					51.00%