General - Assets and liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Dec. 31, 2014
Assets
Cash and cash equivalents		$ 121,565	$ 189,241
Trade and other receivables, net	$ 215,804	238,972
Inventories	112,380	121,332
Prepaid expenses and other assets	265,063	220,579
Property and equipment, net	20,185,878	18,777,778
Total assets	22,471,493	20,782,043
Liabilities
Accounts payable	319,606	302,072
Accrued expenses and other liabilities	551,293	658,601
Customer deposits	2,222,196	1,742,286
Other liabilities	798,698	$ 798,611
Pullmantur (assets and liabilities held for sale)
Assets
Cash and cash equivalents	14,521
Trade and other receivables, net	43,466
Inventories	6,943
Prepaid expenses and other assets	14,912
Property and equipment, net	4,436
Other assets	1,657
Total assets	85,935
Liabilities
Accounts payable	27,691
Accrued expenses and other liabilities	42,873
Customer deposits	26,323
Other liabilities	3,080
Total liabilities	$ 99,967