Statements of Consolidated Operations (Parenthetical) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue	[1]	$ 576,836	$ 560,999	$ 549,824
Earnings from unconsolidated companies, tax (benefit)/provision		7,132	(4,451)	5,650
Discontinued operations, tax (benefit)/provision		0	0	0
Hotel Ritz, Madrid
Interest income from related party		0	0	0
Affiliated Entity
Revenue		$ 15,783	$ 15,668	$ 15,458

[1] Includes revenue from related parties of $15,783,000, $15,668,000 and $15,458,000, respectively