Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Property and equipment

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

	As of December 31,
	2018			2017
Ships	$	27,209,553		$	23,714,745
Ship improvements	2,965,634			2,410,525
Ships under construction	817,800			642,235
Land, buildings and improvements, including leasehold improvements and port facilities	321,136			250,079
Computer hardware and software, transportation equipment and other	1,120,988			762,512
Total property and equipment	32,435,111			27,780,096
Less—accumulated depreciation and amortization(1)	(8,968,948		)	(8,044,916		)
	$	23,466,163		$	19,735,180

(1) Amount includes accumulated depreciation and amortization for assets in service.