Restructuring Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jul. 31, 2016	Mar. 30, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 8,452	$ 0	$ 4,318
Ownership interest retained, percent	50.00%
Other restructuring
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 5,800
Restructuring charges	5,797
Consolidation of Structure | Restructuring and Related Impairment Charges
Restructuring Cost and Reserve [Line Items]
Other restructuring costs			1,100
Consolidation of Structure | Marketing, Selling and Administrative and Depreciation and Amortization Expenses
Restructuring Cost and Reserve [Line Items]
Other restructuring costs			7,400
Pullmantur
Restructuring Cost and Reserve [Line Items]
Restructuring costs	2,700
Restructuring charges	2,655
Pullmantur | Cruise operating, depreciation and amortization expenses
Restructuring Cost and Reserve [Line Items]
Other costs to implement initiatives	$ 3,600
Pullmantur | Restructuring and Related Impairment Charges
Restructuring Cost and Reserve [Line Items]
Restructuring charges			3,200
Pullmantur | Marketing, Selling and Administrative and Depreciation and Amortization Expenses
Restructuring Cost and Reserve [Line Items]
Other restructuring costs			8,900
Pullmantur and CDF Croisieres de France
Restructuring Cost and Reserve [Line Items]
Percentage of subsidiary which has been sold	51.00%			51.00%
Other costs associated with the sale of subsidiary	$ 4,900
Ownership interest retained, percent	49.00%
Pullmantur Air and Nautalia Viajes, S.L.
Restructuring Cost and Reserve [Line Items]
Noncontrolling interest, ownership percentage by parent					49.00%
Ownership interest retained, percent					19.00%
Pullmantur Air
Restructuring Cost and Reserve [Line Items]
Percentage of ownership on aircraft					100.00%
Other Operating Expenses | Pullmantur Air and Nautalia Viajes, S.L.
Restructuring Cost and Reserve [Line Items]
Gain (loss) on disposition of business			$ 600