Restructuring Charges (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 305	$ 0
Pullmantur
Restructuring Cost and Reserve [Line Items]
Restructuring charges	305
Expected Additional Expenses to be Incurred	2,300
Right-sizing strategy [Member] | Cruise operating, depreciation and amortization expenses
Restructuring Cost and Reserve [Line Items]
Other costs to implement initiatives	2,900
Other costs to implement initiatives, additional expected costs	$ 1,900