Segment Information Balance Sheet Data (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2016 USD ($) segment	Dec. 31, 2015 USD ($)
Segment Reporting Information [Line Items]
Number of Reportable Operating Segments | segment	4
Total Assets	$ 4,620,970	$ 4,217,270
Entertainment Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	2,125,337	2,006,926
Education Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	1,180,344	1,013,930
Recreation Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	1,073,502	935,266
Other Reportable Operating Segment [Member]
Segment Reporting Information [Line Items]
Total Assets	191,512	203,757
Corporate / Unallocated
Segment Reporting Information [Line Items]
Total Assets	$ 50,275	$ 57,391