Document and Entity Information Statement [Table] Statement [Line Items] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Filer Category Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONSOLIDATED BALANCE SHEETS Assets [Abstract] ASSETS Assets, Current [Abstract] CURRENT ASSETS: Cash and Cash Equivalents, at Carrying Value CASH AND CASH EQUIVALENTS, END OF PERIOD CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD Cash and cash equivalents Restricted Cash and Cash Equivalents, Current Restricted cash Accounts Receivable, Net, Current Accounts receivable, net Due from Affiliate, Current Due from unconsolidated affiliates Inventory, Net Inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other Assets, Current Total current assets Restricted Cash and Cash Equivalents, Noncurrent Collateral deposits Restricted cash Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Net investment in and advances to other segment Investment in and advances to unconsolidated affiliates Notes receivable Property, Plant and Equipment, Net Property and equipment, net Indefinite-Lived Intangible Assets (Excluding Goodwill) Gaming licenses and other intangibles. net Carrying amount of land and undeveloped properties that management intend to sell in the future. Non Operating Real Property Non-operating real property Goodwill Goodwill Goodwill Other Assets, Noncurrent Other assets, net Total Other Assets, net Assets Total Assets Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities, Current [Abstract] CURRENT LIABILITIES: Capital Lease Obligations, Current Current portion of capital lease obligations Accounts Payable, Current Accounts payable Interest Payable, Current Interest payable Taxes Payable Income taxes payable Represents the carrying value as of the balance sheet date of obligations incurred and payable for gaming taxes and assessments. Accrued Gaming Taxes and Assessments Accrued gaming taxes and assessments Employee-related Liabilities, Current Accrued payroll Other Accrued Liabilities, Current Accrued other liabilities Accrued other liabilities, Current Deferred Tax Liabilities, Net, Current Deferred income taxes Due to Affiliate, Current Due to unconsolidated affiliates Liabilities, Current Total current liabilities Long-term Debt, Excluding Current Maturities Long-term debt Long-term debt, noncurrent Capital Lease Obligations, Noncurrent Capital lease obligations, less current portion Deferred Tax Liabilities, Net, Noncurrent Deferred income taxes Other Liabilities, Noncurrent Other liabilities Liabilities Total liabilities Stockholders' Equity Attributable to Parent [Abstract] STOCKHOLDERS' EQUITY: Common Stock, Value, Issued Common stock, 100,000,000 shares authorized, 46,444,694 issued and outstanding, par value $0.00001 Additional Paid in Capital, Common Stock Paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income represents the Stockholders' and member's equity before non-controlling interest for the entity Stockholders' equity before non-controlling interest Stockholders' Equity Attributable to Noncontrolling Interest Non-controlling interest Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total stockholders' equity and member's equity Liabilities and Equity Total liabilities and stockholders' equity Common Stock, Shares Authorized Common stock, shares authorized Authorized Common Stock Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Outstanding Common stock, shares outstanding Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Par Value per share CONSOLIDATED STATEMENTS OF OPERATIONS Revenue, Net [Abstract] Revenues: Casino Revenue Casino Revenue earned from pari-mutuel commissions, which is a predetermined percentage of the total amount wagered during the period, by the entity. Pari Mutuel Commissions Revenue Pari-mutuel commissions Food and Beverage Revenue Food and beverage Revenue from Owned Hotels Hotel Other Revenue, Net Other Revenues Gross operating revenues Promotional Allowances Less: Promotional allowances Revenue, Net Net operating revenues Net operating revenues Costs and Expenses [Abstract] Expenses: Casino Expenses Casino Costs incurred in pari-mutuel operations. Pari Mutuel Commissions Pari-mutuel commissions Food and Beverage, Cost of Sales Food and beverage Occupancy Costs Hotel Other Cost of Operating Revenue Other Marketing and Advertising Expense Marketing and promotions General and Administrative Expense General and administrative Depreciation, Depletion and Amortization, Nonproduction Depreciation and amortization Depreciation and amortization Costs and Expenses Total operating expenses Gain (Loss) on Disposition of Property Plant Equipment Gain on sale or disposal of property Gain on sale or disposal of property (Loss) gain on sale or disposition of property Acquisition Costs, Period Cost Acquisition charges Income (Loss) from Equity Method Investments Equity in income of unconsolidated affiliates Equity in net income (losses) of unconsolidated affiliate Equity in income (loss) of unconsolidated affiliate Equity in income of unconsolidated affiliates Operating Income (Loss) Operating Income Operating income Nonoperating Income (Expense) [Abstract] Other Income (Expense): Investment Income, Interest Interest income Interest Expense Interest expense Other Nonoperating Income (Expense) Total other expense Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Net loss before income taxes Income Tax Expense (Benefit) Provision for income taxes Provision for income taxes Income tax expense Net Income (Loss) Attributable to Parent Net loss available to common stockholders Net income (loss) Net income (loss) Earnings per Share Net income (loss) per share of Common Stock: Basic Basic (in dollars per share) Diluted Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Shares outstanding: Weighted Average Number of Shares Outstanding: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) Other Comprehensive Income, Other, Net of Tax Other comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income (loss), net of tax CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] CASH FLOWS FROM OPERATING ACTIVITIES: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash provided by operating activities: Depreciation, Depletion and Amortization Amortization expense Depreciation and amortization Amortization of Financing Costs and Discounts Amortization of debt issuance costs and (premium) discount Proceeds from Equity Method Investment, Dividends or Distributions Member's distribution Distributions to members Distributions from unconsolidated affiliate Allocated Share-based Compensation Expense Stock-based compensation expense Provision for Doubtful Accounts Provision for (recoveries of) bad debts Fair Value, Assets Measured on Recurring Basis, Change in Unrealized Gain (Loss) Change in fair value of acquisition related contingencies Deferred Income Tax Expense (Benefit) Provision for deferred income taxes Increase (Decrease) in Operating Capital [Abstract] Change in operating assets and liabilities: Increase (Decrease) in Restricted Cash Restricted cash Increase (Decrease) in Accounts Receivable Accounts receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense Prepaid expenses and other Increase (Decrease) in Accounts Payable Accounts payable Increase (Decrease) in Interest Payable, Net Interest payable Increase (Decrease) in Income Taxes Payable Income taxes payable Represents the increase (decrease) during the reporting period in accrued and other liabilities and due to members and affiliates incurred but not yet paid. Accrued and Other Liabilities and Due to Members and Affiliates Accrued and other liabilities and due to unconsolidated affiliates Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] CASH FLOWS FROM INVESTING ACTIVITIES: Payments to Acquire Property, Plant, and Equipment Capital expenditures, net of payables Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property and equipment Increase (Decrease) in Other Noncurrent Assets (Increase) decrease in other assets, net Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] CASH FLOWS FROM FINANCING ACTIVITIES: Repayments of Long-term Debt Payments of long-term debt Repayments of Long-term Capital Lease Obligations Principal payments on capital leases Payments of Capital Distribution Cash distributions Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash used in financing activities Net Cash Provided by (Used in) Continuing Operations INCREASE IN CASH AND CASH EQUIVALENTS Supplemental Cash Flow Information [Abstract] SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION: Interest Paid Interest paid Income Taxes Paid Income taxes paid Capital Expenditures Incurred but Not yet Paid Payables for capital expenditures Organization and Basis of Presentation Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Organization and Basis of Presentation Acquisition and Purchase Accounting Business Combination Disclosure [Text Block] Acquisition and Purchase Accounting Investment in Unconsolidated Affiliates Equity Method Investments and Joint Ventures Disclosure [Text Block] Investment in Unconsolidated Affiliates Equity Awards and Other Incentive Compensation Equity Awards and Other Incentive Compensation Text Block Equity Awards and Other Incentive Compensation Other and Intangible Assets, net The disclosure for other and intangible assets, net. Other and Intangible Assets Net Disclosure [Text Block] Other and Intangible Assets, net Income taxes Income Tax Disclosure [Text Block] Income Taxes Accrued and Other Liabilities Accounts Payable and Accrued Liabilities Disclosure [Text Block] Accrued and Other Liabilities Long-Term Debt Debt Disclosure [Text Block] Long-Term Debt Earnings Per Share [Text Block] Earnings per Share Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Related Parties Related Party Transactions Disclosure [Text Block] Related Parties Segment Information Segment Reporting Disclosure [Text Block] Segment Information Pending acquisitions and refinancing. Pending Acquisitions And Refinancing The entire disclosure for reporting pending acquisitions and refinancing activities. Pending Acquisitions And Refinancing Activities Disclosure Text Block Pending Acquisitions and Refinancing Summary of Significant Accounting Policies New Accounting Pronouncements, Policy [Policy Text Block] Recently Issued Accounting Pronouncements Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Restricted Cash Contingent Liability Reserve Estimate, Policy [Policy Text Block] Acquisition-Related Contingent Considerations Reclassification, Policy [Policy Text Block] Reclassifications Fair Value, by Balance Sheet Grouping [Table Text Block] Schedule of estimated fair values of the Company's financial instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of change in acquisition-related contingent consideration liabilities Schedule of Equity Method Investments [Table] Business Combination Segment Allocation [Line Items] Acquisition And Purchase Accounting Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of calculation of the purchase price, which was calculated using the fair value of the outstanding common stock of MTR Gaming based on closing stock price and reconciliation of the total shares outstanding on the Merger Date Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Summary of the final purchase price allocation of the assets acquired and liabilities assumed at the Merger Date Business Acquisition, Pro Forma Information [Table Text Block] Schedule of unaudited pro forma financial results Investment, Name [Axis] Equity Method Investee Name [Domain] Investment, Name [Domain] Represents the details pertaining to Silver Legacy Joint Venture. Silver Legacy Joint Venture [Member] Silver Legacy Joint Venture Tabular disclosure of the reconciliation of the carrying amount of equity method investments from the beginning of the period. Summary of Equity Method Investments Carrying Amount Reconciliation [Table Text Block] Summary of information for the Company's equity investment Tabular disclosure of balance sheet information of unconsolidated affiliates. Schedule of Balance Sheet Information of Unconsolidated Affiliates [Table Text Block] Summary of balance sheet information Tabular disclosure of results of operations for unconsolidated affiliates. Schedule of Results of Operations of Unconsolidated Affiliates [Table Text Block] Summary of results of operations Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity Tabular disclosure of other and intangible assets. Schedule of other and Intangible Assets [Table Text Block] Schedule of other and intangible assets, net Schedule of Accrued Liabilities [Table Text Block] Schedule of accrued and other liabilities Schedule of Long-term Debt Instruments [Table] Legal Entity [Axis] Entity [Domain] Entity [Domain] Represents the details pertaining to Eldorado Resorts LLC (Resorts). Eldorado Resorts L L C [Member] Resorts Represents information pertaining to MTR Gaming Group Inc. M T R Gaming Group Inc [Member] MTR Gaming Debt Instrument [Line Items] Long-term debt Schedule of Debt [Table Text Block] Summary of long-term debt obligations Debt Instrument Redemption [Table Text Block] Schedule of redemption prices of notes Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of reconciliation of the numerators and denominators of the basic and diluted net income per share computations Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of operating data for reportable segments Schedule of information pertaining to the basis of presentation. Basis of Presentation [Table]