Organization and Summary of Significant Accounting Policies - Summary of Land, Buildings, Vessels and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Land, buildings, vessels and equipment:
Land and land improvements	$ 424,627	$ 422,771
Buildings, vessels and improvements	2,675,341	2,674,602
Furniture, fixtures and equipment	767,529	763,812
Construction in progress	37,209	33,196
Land, buildings, vessels and equipment, gross	3,904,706	3,894,381
Less: accumulated depreciation	(1,081,342)	(1,038,370)
Land, buildings, vessels and equipment, net	$ 2,823,364	$ 2,856,011