Consolidating Condensed Financial Information - Consolidating Condensed Balance Sheet (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017
Condensed Balance Sheet
Current assets	$ 963,539			$ 573,196
Investment in and advances to unconsolidated affiliates	129,796			1,892
Property and equipment, net	2,635,111			2,882,606
Other assets	2,352,795			2,453,768
Total assets	6,081,241			5,911,462
Current liabilities	414,971			402,177
Long-term financing obligation to GLPI	967,982			959,835
Long-term debt, less current maturities	2,950,955			3,261,273
Deferred income tax liabilities	224,877			200,010
Other liabilities	395,678			59,014
Stockholders’ equity	1,126,778	$ 1,085,519	$ 1,063,264	1,029,153	$ 1,036,151	$ 996,722	$ 958,629	$ 941,597
Total liabilities and stockholders’ equity	6,081,241			5,911,462
Reportable Legal Entities | Eldorado Resorts, Inc. (Parent Obligor)
Condensed Balance Sheet
Current assets	78,612			48,268
Investment in and advances to unconsolidated affiliates	127,480
Investments in subsidiaries	3,847,795			3,648,961
Property and equipment, net	17,544			18,555
Other assets	72,945			35,072
Total assets	4,144,376			3,750,856
Current liabilities	75,851			48,579
Intercompany payables	445,868			10,873
Long-term debt, less current maturities	2,329,800			2,640,046
Other liabilities	166,080			22,206
Stockholders’ equity	1,126,777			1,029,152
Total liabilities and stockholders’ equity	4,144,376			3,750,856
Reportable Legal Entities | Guarantor Subsidiaries
Condensed Balance Sheet
Current assets	864,016			497,309
Intercompany receivables	438,466			7,831
Investment in and advances to unconsolidated affiliates	2,316			1,892
Property and equipment, net	2,616,883			2,863,311
Other assets	2,299,720			2,423,807
Total assets	6,221,401			5,794,150
Current liabilities	321,286			328,319
Long-term financing obligation to GLPI	967,982			959,835
Long-term debt, less current maturities	621,155			621,193
Deferred income tax liabilities	260,449			231,795
Other liabilities	229,598			36,808
Stockholders’ equity	3,820,931			3,616,200
Total liabilities and stockholders’ equity	6,221,401			5,794,150
Reportable Legal Entities | Non-Guarantor Subsidiaries
Condensed Balance Sheet
Current assets	20,911			27,619
Intercompany receivables	32,402			28,042
Property and equipment, net	684			740
Other assets	15,868			26,674
Total assets	69,865			83,075
Current liabilities	17,834			25,279
Intercompany payables	25,000			25,000
Long-term debt, less current maturities				34
Deferred income tax liabilities	166
Stockholders’ equity	26,865			32,762
Total liabilities and stockholders’ equity	69,865			83,075
Consolidating and Eliminating Entries
Condensed Balance Sheet
Intercompany receivables	(470,868)			(35,873)
Investments in subsidiaries	(3,847,795)			(3,648,961)
Other assets	(35,738)			(31,785)
Total assets	(4,354,401)			(3,716,619)
Intercompany payables	(470,868)			(35,873)
Deferred income tax liabilities	(35,738)			(31,785)
Stockholders’ equity	(3,847,795)			(3,648,961)
Total liabilities and stockholders’ equity	$ (4,354,401)			$ (3,716,619)