Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2017 USD ($) segment	Jun. 30, 2016 segment	Mar. 31, 2016 USD ($)	Dec. 31, 2016 USD ($)
Segment information
Number of reportable segments | segment	3	3
Income (loss) from operations	$ 140,287		$ 140,531
Charge for stock compensation	2,173		1,455
Depreciation and amortization	70,236		66,020
Contingent purchase price	2,560		(1,201)
Loss (gain) loss on disposal of assets	(45)		(1,101)
Income from unconsolidated affiliates	4,548		4,609
Adjusted EBITDA	221,710		212,883
Net revenues	776,224		756,451
Capital expenditures	17,156		21,369
Total assets	4,947,040			$ 4,974,484
Investment in and advances to unconsolidated affiliates	154,974			156,176
Goodwill and other intangible assets, net	1,422,417			1,425,179
Kansas Entertainment
Segment information
Non-operating items	1,951		2,570
Operating Segments | Northeast
Segment information
Income (loss) from operations	102,633		100,921
Depreciation and amortization	23,023		22,994
Contingent purchase price	904		(1,201)
Loss (gain) loss on disposal of assets	14		21
Adjusted EBITDA	126,574		122,735
Net revenues	393,465		393,205
Capital expenditures	3,990		7,119
Total assets	837,808			861,951
Investment in and advances to unconsolidated affiliates	76			76
Goodwill and other intangible assets, net	324,285			324,285
Operating Segments | South/West
Segment information
Income (loss) from operations	27,118		25,985
Depreciation and amortization	9,218		8,764
Loss (gain) loss on disposal of assets	5		(24)
Adjusted EBITDA	36,341		34,725
Net revenues	139,820		135,968
Capital expenditures	8,622		7,585
Total assets	829,872			840,076
Goodwill and other intangible assets, net	224,693			224,719
Operating Segments | Midwest
Segment information
Income (loss) from operations	61,529		58,225
Depreciation and amortization	9,671		9,568
Contingent purchase price	9
Loss (gain) loss on disposal of assets	(58)		6
Income from unconsolidated affiliates	5,004		4,718
Adjusted EBITDA	78,106		75,087
Net revenues	228,338		221,078
Capital expenditures	4,331		5,982
Total assets	1,087,737			1,103,231
Investment in and advances to unconsolidated affiliates	93,022			93,768
Goodwill and other intangible assets, net	776,347			775,377
Operating Segments | Midwest | Kansas Entertainment
Segment information
Non-operating items	1,951		2,570
Other
Segment information
Income (loss) from operations	(50,993)		(44,600)
Charge for stock compensation	2,173		1,455
Depreciation and amortization	28,324		24,694
Contingent purchase price	1,647
Loss (gain) loss on disposal of assets	(6)		(1,104)
Income from unconsolidated affiliates	(456)		(109)
Adjusted EBITDA	(19,311)		(19,664)
Net revenues	14,601		6,200
Capital expenditures	213		$ 683
Total assets	2,191,623			2,169,226
Investment in and advances to unconsolidated affiliates	61,876			62,332
Goodwill and other intangible assets, net	$ 97,092			$ 100,798