Financial Reporting By Business Segments - Identifiable Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Preopening costs	$ 4,869	$ 1,926
Identifiable assets	3,853,883	2,524,228
Hospitality [Member]
Segment Reporting Information [Line Items]
Preopening costs	2,900	300
Identifiable assets	3,547,638	2,256,395
Entertainment [Member]
Segment Reporting Information [Line Items]
Preopening costs	1,900	1,600
Identifiable assets	155,412	132,671
Corporate and Other [Member]
Segment Reporting Information [Line Items]
Identifiable assets	$ 150,833	$ 135,162