Segment Information Balance Sheet Data (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Operating Segments | segment	4
Total Assets	$ 6,431,231	$ 6,131,390
Entertainment Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	2,546,385	2,344,855
Recreation Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	2,308,885	2,187,808
Education Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	1,345,025	1,366,278
Other Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	198,770	207,724
Corporate / Unallocated
Segment Reporting Information [Line Items]
Total Assets	$ 32,166	$ 24,725