New Accounting Pronouncements - Cumulative Effect on Statements of Income (Details) - USD ($) $ in Thousands	3 Months Ended									12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2014	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Cumulative effect of adoption
Revenues										$ 3,587,918	$ 3,331,466	$ 3,209,041
Less: Promotional allowance										0	(183,496)	(174,661)
Revenues	$ 1,155,269	$ 789,651	$ 826,913	$ 816,085	$ 769,036	$ 806,247	$ 796,463	$ 776,224		3,587,918	3,147,970	3,034,380
Operating expenses
General and administrative										618,951	514,487	462,302
Depreciation and amortization										268,990	267,062	271,214
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										17,921	107,810	0
Total operating expenses										2,953,826	2,702,256	2,491,364
Operating income	124,360	155,843	181,755	172,134	26,775	143,663	134,989	140,287		634,092	445,714	543,016
Income (loss) before income taxes									$ (161,500)	89,921	(25,044)	120,617
Income tax benefit (expense)										3,593	498,507	(11,307)
Net income	$ (42,036)	$ 36,125	$ 53,988	$ 45,437	$ (338,060)	$ 789,340	$ 17,079	$ 5,104		93,514	473,463	109,310
Gaming
Cumulative effect of adoption
Revenues										2,894,861	2,692,021	2,606,262
Operating expenses
Cost of revenue										1,551,430	1,364,989	1,334,980
Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										629,733	601,731	575,434
Operating expenses
Cost of revenue										439,253	421,848	406,871
Management service and license fees
Cumulative effect of adoption
Revenues										6,043	11,654	11,348
Reimbursable management costs
Cumulative effect of adoption
Revenues										57,281	26,060	15,997
Operating expenses
Cost of revenue										57,281	$ 26,060	$ 15,997
Balances Without Adoption of ASC 606
Cumulative effect of adoption
Revenues										3,816,552
Less: Promotional allowance										(236,766)
Revenues										3,579,786
Operating expenses
General and administrative										618,951
Depreciation and amortization										268,990
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										17,921
Total operating expenses										2,947,111
Operating income										632,675
Income (loss) before income taxes										88,504
Income tax benefit (expense)										3,916
Net income										92,420
Balances Without Adoption of ASC 606 | Gaming
Cumulative effect of adoption
Revenues										3,100,965
Operating expenses
Cost of revenue										1,554,245
Balances Without Adoption of ASC 606 | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										699,085
Operating expenses
Cost of revenue										476,545
Balances Without Adoption of ASC 606 | Management service and license fees
Cumulative effect of adoption
Revenues										6,043
Balances Without Adoption of ASC 606 | Reimbursable management costs
Cumulative effect of adoption
Revenues										10,459
Operating expenses
Cost of revenue										10,459
ASU 2014-09 | Effect of Change Higher / (Lower)
Cumulative effect of adoption
Revenues										(228,634)
Less: Promotional allowance										236,766
Revenues										8,132
Operating expenses
General and administrative										0
Depreciation and amortization										0
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										0
Total operating expenses										6,715
Operating income										1,417
Income (loss) before income taxes										1,417
Income tax benefit (expense)										(323)
Net income										1,094
ASU 2014-09 | Effect of Change Higher / (Lower) | Gaming
Cumulative effect of adoption
Revenues										(206,104)
Operating expenses
Cost of revenue										(2,815)
ASU 2014-09 | Effect of Change Higher / (Lower) | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										(69,352)
Operating expenses
Cost of revenue										(37,292)
ASU 2014-09 | Effect of Change Higher / (Lower) | Management service and license fees
Cumulative effect of adoption
Revenues										0
ASU 2014-09 | Effect of Change Higher / (Lower) | Reimbursable management costs
Cumulative effect of adoption
Revenues										46,822
Operating expenses
Cost of revenue										46,822
ASU 2014-09 | Impact of Loyalty Points
Cumulative effect of adoption
Revenues										(2,860)
Less: Promotional allowance										0
Revenues										(2,860)
Operating expenses
General and administrative										0
Depreciation and amortization										0
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										0
Total operating expenses										(1,443)
Operating income										(1,417)
Income (loss) before income taxes										(1,417)
Income tax benefit (expense)										323
Net income										(1,094)
ASU 2014-09 | Impact of Loyalty Points | Gaming
Cumulative effect of adoption
Revenues										(2,608)
Operating expenses
Cost of revenue										(1,443)
ASU 2014-09 | Impact of Loyalty Points | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										(252)
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Loyalty Points | Management service and license fees
Cumulative effect of adoption
Revenues										0
ASU 2014-09 | Impact of Loyalty Points | Reimbursable management costs
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Promotional Allowance
Cumulative effect of adoption
Revenues										236,766
Less: Promotional allowance										(236,766)
Revenues										0
Operating expenses
General and administrative										0
Depreciation and amortization										0
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										0
Total operating expenses										0
Operating income										0
Income (loss) before income taxes										0
Income tax benefit (expense)										0
Net income										0
ASU 2014-09 | Impact of Promotional Allowance | Gaming
Cumulative effect of adoption
Revenues										206,137
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Promotional Allowance | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										30,629
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Promotional Allowance | Management service and license fees
Cumulative effect of adoption
Revenues										0
ASU 2014-09 | Impact of Promotional Allowance | Reimbursable management costs
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Reimbursable Expense - Casino Rama
Cumulative effect of adoption
Revenues										(46,822)
Less: Promotional allowance										0
Revenues										(46,822)
Operating expenses
General and administrative										0
Depreciation and amortization										0
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										0
Total operating expenses										(46,822)
Operating income										0
Income (loss) before income taxes										0
Income tax benefit (expense)										0
Net income										0
ASU 2014-09 | Impact of Reimbursable Expense - Casino Rama | Gaming
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Reimbursable Expense - Casino Rama | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Reimbursable Expense - Casino Rama | Management service and license fees
Cumulative effect of adoption
Revenues										0
ASU 2014-09 | Impact of Reimbursable Expense - Casino Rama | Reimbursable management costs
Cumulative effect of adoption
Revenues										(46,822)
Operating expenses
Cost of revenue										(46,822)
ASU 2014-09 | Impact of Racing Revenue
Cumulative effect of adoption
Revenues										38,975
Less: Promotional allowance										0
Revenues										38,975
Operating expenses
General and administrative										0
Depreciation and amortization										0
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										0
Total operating expenses										38,975
Operating income										0
Income (loss) before income taxes										0
Income tax benefit (expense)										0
Net income										0
ASU 2014-09 | Impact of Racing Revenue | Gaming
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Racing Revenue | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										38,975
Operating expenses
Cost of revenue										38,975
ASU 2014-09 | Impact of Racing Revenue | Management service and license fees
Cumulative effect of adoption
Revenues										0
ASU 2014-09 | Impact of Racing Revenue | Reimbursable management costs
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										0
ASU 2014-09 | Impact of Tier Status and Other Benefits
Cumulative effect of adoption
Revenues										2,575
Less: Promotional allowance										0
Revenues										2,575
Operating expenses
General and administrative										0
Depreciation and amortization										0
Impairment losses, net of recovery on loan loss and unfunded loan commitments to the JIVDC										0
Total operating expenses										2,575
Operating income										0
Income (loss) before income taxes										0
Income tax benefit (expense)										0
Net income										0
ASU 2014-09 | Impact of Tier Status and Other Benefits | Gaming
Cumulative effect of adoption
Revenues										2,575
Operating expenses
Cost of revenue										4,258
ASU 2014-09 | Impact of Tier Status and Other Benefits | Food, beverage, hotel and other
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										(1,683)
ASU 2014-09 | Impact of Tier Status and Other Benefits | Management service and license fees
Cumulative effect of adoption
Revenues										0
ASU 2014-09 | Impact of Tier Status and Other Benefits | Reimbursable management costs
Cumulative effect of adoption
Revenues										0
Operating expenses
Cost of revenue										$ 0