Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property and equipment

Property and equipment consists of the following (in thousands):

	2017			2016
Ships	$	23,714,745		$	23,978,822
Ship improvements	2,410,525			2,359,639
Ships under construction	642,235			354,425
Land, buildings and improvements, including leasehold improvements and port facilities	250,079			341,605
Computer hardware and software, transportation equipment and other	762,512			1,108,301
Total property and equipment	27,780,096			28,142,792
Less—accumulated depreciation and amortization	(8,044,916		)	(7,981,365		)
	$	19,735,180		$	20,161,427