Entity Central Index Key Carrying amount of land and undeveloped properties that management intend to sell in the future. Represents the gross amount of revenues before promotional allowance deduction. Costs incurred in pari-mutuel operations. Represents the corporate expenses incurred during the reporting period. Amount of expenses relating to gaming activities. Amount of expenses from non gaming activities. Gain on valuation of unconsolidated affiliate. Revenue earned from casino, pari-mutuel commissions and other gaming revenue which is a predetermined percentage of the total amount wagered during the period, by the entity. Represents the total revenue from non gaming activities. Represents amount reimbursed towards capital expenditure. The net cash inflow or outflow associated with a acquisition. Advances from (to) subsidiaries. Proceeds from payments for borrowings under revolving credit facility. Payments on retirement of long term debt. Document and entity information. Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Current Fiscal Year End Date Current Fiscal Year End Date Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock Shares Outstanding Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Trading Symbol Trading Symbol Represents the carrying value as of the balance sheet date of obligations incurred and payable for gaming taxes and assessments. Deferred proceeds for assets held for sale. Statement Of Financial Position [Abstract] ASSETS Assets [Abstract] CURRENT ASSETS: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Restricted cash Restricted Cash And Cash Equivalents At Carrying Value Marketable securities Marketable Securities Current Accounts receivable, net Accounts Receivable Net Current Due from affiliates Due From Affiliate Current Inventories Inventory Net Prepaid income taxes Prepaid Taxes Prepaid expenses and other Prepaid Expense And Other Assets Current Assets held for sale Assets Of Disposal Group Including Discontinued Operation Current Total current assets Assets Current PROPERTY AND EQUIPMENT, NET Property Plant And Equipment Net GAMING LICENSES AND OTHER INTANGIBLES, NET Intangible Assets Net Excluding Goodwill GOODWILL Goodwill NON-OPERATING REAL PROPERTY Non Operating Real Property OTHER ASSETS, NET Other Assets Noncurrent Total assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities And Stockholders Equity [Abstract] CURRENT LIABILITIES: Liabilities Current [Abstract] Current portion of long-term debt Long Term Debt Current Accounts payable Accounts Payable Current Due to affiliates Due To Affiliate Current Accrued property, gaming and other taxes Accrued Gaming Taxes And Assessments Accrued payroll and related Employee Related Liabilities Current Accrued interest Interest Payable Current Deferred proceeds for assets held for sale Deferred Proceeds For Assets Held For Sale Accrued other liabilities Other Accrued Liabilities Current Liabilities related to assets held for sale Liabilities Of Disposal Group Including Discontinued Operation Current Total current liabilities Liabilities Current LONG-TERM DEBT, LESS CURRENT PORTION Long Term Debt Noncurrent DEFERRED INCOME TAXES Deferred Tax Liabilities Noncurrent OTHER LONG-TERM LIABILITIES Other Liabilities Noncurrent Total liabilities Liabilities COMMITMENTS AND CONTINGENCIES (Note 10) Commitments And Contingencies STOCKHOLDERS' EQUITY: Stockholders Equity [Abstract] Common stock, 100,000,000 shares authorized, 76,804,618 and 47,105,744 issued and outstanding, par value $0.00001 as of September 30, 2017 and December 31, 2016, respectively Common Stock Value Paid-in capital Additional Paid In Capital Common Stock Retained earnings Retained Earnings Accumulated Deficit Accumulated other comprehensive income Accumulated Other Comprehensive Income Loss Net Of Tax Total stockholders’ equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest Total liabilities and stockholders’ equity Liabilities And Stockholders Equity Common stock, shares authorized Common Stock Shares Authorized Common stock, shares issued Common Stock Shares Issued Common stock, shares outstanding Common Stock Shares Outstanding Common stock, par value (in dollars per share) Common Stock Par Or Stated Value Per Share Revenue earned from pari-mutuel commissions, which is a predetermined percentage of the total amount wagered during the period, by the entity. Income Statement [Abstract] REVENUES: Sales Revenue Net [Abstract] Casino Casino Revenue Pari-mutuel commissions Pari Mutuel Commissions Revenue Food and beverage Food And Beverage Revenue Hotel Revenue From Owned Hotels Other Other Sales Revenue Net Gross revenues Revenues Gross Less-promotional allowances Promotional Allowances Net operating revenues Revenues EXPENSES: Costs And Expenses [Abstract] Casino Casino Expenses Pari-mutuel commissions Pari Mutuel Commissions Food and beverage Food And Beverage Cost Of Sales Hotel Occupancy Costs Other Other Cost Of Operating Revenue Marketing and promotions Marketing And Advertising Expense General and administrative General And Administrative Expense Corporate Corporate Expense Depreciation and amortization Depreciation And Amortization Total operating expenses Operating Costs And Expenses GAIN (LOSS) ON SALE OF ASSET OR DISPOSAL OF PROPERTY Gain Loss On Sale Of Property Plant Equipment ACQUISITION CHARGES Acquisition Costs EQUITY IN LOSS OF UNCONSOLIDATED AFFILIATE Income Loss From Equity Method Investments OPERATING (LOSS) INCOME Operating Income Loss OTHER EXPENSE: Nonoperating Income Expense [Abstract] Interest expense, net Interest Expense Loss on early retirement of debt, net Gains Losses On Extinguishment Of Debt Total other expense Other Nonoperating Income Expense INCOME (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest (PROVISION) BENEFIT FOR INCOME TAXES Income Tax Expense Benefit INCOME (LOSS) FROM CONTINUING OPERATIONS Income Loss From Continuing Operations INCOME FROM DISCONTINUED OPERATIONS, NET OF TAXES Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity NET INCOME (LOSS) Net Income Loss Income (loss) per common share attributable to common stockholders - basic: Earnings Per Share Basic [Abstract] Income (loss) from continuing operations Income Loss From Continuing Operations Per Basic Share Income from discontinued operations, net of income taxes Income Loss From Discontinued Operations Net Of Tax Per Basic Share Net income (loss) attributable to common stockholders Earnings Per Share Basic Income (loss) per common share attributable to common stockholders - diluted: Earnings Per Share Diluted [Abstract] Income (loss) from continuing operations Income Loss From Continuing Operations Per Diluted Share Income from discontinued operations, net of income taxes Income Loss From Discontinued Operations Net Of Tax Per Diluted Share Net income (loss) attributable to common stockholders Earnings Per Share Diluted Weighted average number of shares outstanding: Weighted Average Number Of Shares Outstanding [Abstract] Weighted Average Basic Shares Outstanding Weighted Average Number Of Shares Outstanding Basic Weighted Average Diluted Shares Outstanding Weighted Average Number Of Diluted Shares Outstanding Statement Of Income And Comprehensive Income [Abstract] NET INCOME (LOSS) Other Comprehensive Income (Loss), net of tax: Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Other Comprehensive Income Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax Comprehensive Income (Loss), net of tax Comprehensive Income Net Of Tax Capital expenditures incurred forfeited but not yet paid (refunded). Statement Of Cash Flows [Abstract] Statement [Table] Statement [Table] Debt Instrument Debt Instrument [Axis] Debt Instrument, Name Debt Instrument Name [Domain] New revolving credit facility. New Revolving Credit Facility New Revolving Credit Facility [Member] New term loan. New Term Loan New Term Loan [Member] Revolving Credit Facility Revolving Credit Facility [Member] Term loan. Term Loan Term Loan [Member] Revolving Credit Facility Statement [Line Items] Statement [Line Items] CASH FLOWS FROM OPERATING ACTIVITIES: Net Cash Provided By Used In Operating Activities Continuing Operations [Abstract] Adjustments to reconcile net (loss) income to net cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Amortization of deferred financing costs, discount and debt premium Amortization Of Financing Costs And Discounts Equity in loss of unconsolidated affiliate Loss on early extinguishment of debt Change in fair value of acquisition related contingencies Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss Stock compensation expense Allocated Share Based Compensation Expense Loss on disposal of assets Gain Loss On Disposition Of Assets1 Provision for bad debts Provision For Doubtful Accounts (Benefit) provision for deferred income taxes Increase Decrease In Deferred Income Taxes Change in operating assets and liabilities: Increase Decrease In Operating Capital [Abstract] Restricted cash Increase Decrease In Restricted Cash For Operating Activities Sale of trading securities Proceeds From Sale Of Trading Securities Heldforinvestment Accounts receivable Increase Decrease In Accounts Receivable Inventory Increase Decrease In Inventories Prepaid expenses and other assets Increase Decrease In Prepaid Deferred Expense And Other Assets Interest payable Increase Decrease In Interest Payable Net Income taxes receivable/payable Increase Decrease In Income Taxes Payable Net Of Income Taxes Receivable Accounts payable and accrued liabilities Increase Decrease In Accounts Payable And Accrued Liabilities Net cash provided by operating activities Net Cash Provided By Used In Operating Activities Continuing Operations CASH FLOWS FROM INVESTING ACTIVITIES: Net Cash Provided By Used In Investing Activities Continuing Operations [Abstract] Purchase of property and equipment, net Payments To Acquire Property Plant And Equipment Reimbursement of capital expenditures from West Virginia regulatory authorities Capital Expenditure Reimbursed By Racing Commission Restricted cash Increase Decrease In Restricted Cash Proceeds from sale of property and equipment Proceeds From Sale Of Property Plant And Equipment Net cash used in business combinations Payments To Acquire Businesses Net Of Cash Acquired Decrease in other assets, net Increase Decrease In Other Noncurrent Assets Net cash used in investing activities Net Cash Provided By Used In Investing Activities Continuing Operations CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided By Used In Financing Activities Continuing Operations [Abstract] Proceeds from issuance of New Term Loan Proceeds From Issuance Of Long Term Debt Proceeds from issuance of 6% Senior Notes Proceeds From Issuance Of Senior Long Term Debt Borrowings under New Revolving Credit Facility Proceeds From Long Term Lines Of Credit Payments under Term Loan Repayments Of Long Term Debt Payments under Revolving Credit Facility Repayments Of Long Term Lines Of Credit Borrowings (payments) under Revolving Credit Facility Proceeds From Payments For Borrowings Under Revolving Credit Facility Retirement of Long-term Debt Payments On Retirement Of Long Term Debt Debt premium proceeds Proceeds From Issuance Of Debt Payment of other long-term obligation Repayments Of Other Long Term Debt Payments on capital leases Repayments Of Long Term Capital Lease Obligations Debt issuance costs Payments Of Debt Issuance Costs Taxes paid related to net share settlement of equity awards Payments Related To Tax Withholding For Share Based Compensation Proceeds from exercise of stock options Proceeds From Stock Options Exercised Net cash provided by (used in) financing activities Net Cash Provided By Used In Financing Activities Continuing Operations INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS Net Cash Provided By Used In Continuing Operations CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR CASH AND CASH EQUIVALENTS, END OF PERIOD SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION Supplemental Cash Flow Information [Abstract] Cash paid during the period for interest Interest Paid Cash paid during period for income taxes Income Taxes Paid Payables for capital expenditures Capital Expenditures Incurred Forfeited But Not Yet Paid Refunded Interest rate on Senior Notes Debt Instrument Interest Rate Stated Percentage Organization Consolidation And Presentation Of Financial Statements [Abstract] Organization and Basis of Presentation Organization Consolidation Basis Of Presentation Business Description And Accounting Policies [Text Block] Business Combinations [Abstract] Isle Acquisition and Preliminary Purchase Price Accounting Business Combination Disclosure [Text Block] Discontinued Operations And Disposal Groups [Abstract] Discontinued Operations Disposal Groups Including Discontinued Operations Disclosure [Text Block] Share Based Compensation [Abstract] Stock-Based Compensation Pension And Other Postretirement Benefits Disclosure [Text Block] The disclosure for other and intangible assets, net. Other and Intangible Assets, net Other And Intangible Assets Net Disclosure [Abstract] Other and Intangible Assets, Net Other And Intangible Assets Net Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Debt Disclosure [Abstract] Long-Term Debt Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Earnings Per Share Basic And Diluted [Abstract] Earnings per Share Earnings Per Share [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments And Contingencies Disclosure [Text Block] Related Party Transactions [Abstract] Related Affiliates Related Party Transactions Disclosure [Text Block] Segment Reporting [Abstract]