Acquisition (Notes)	6 Months Ended
Jun. 30, 2018
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	6. ACQUISITIONS On February 28, 2018, the Company entered into two separate definitive asset purchase agreements with Eldorado Resorts, Inc. ("ERI") to acquire substantially all of the assets and properties used in connection with the operation of Presque Isle Downs & Casino in Erie, Pennsylvania (the "Presque Isle Transaction"), and Lady Luck Casino in Vicksburg, Mississippi (the "Lady Luck Vicksburg Transaction") for total aggregate consideration of approximately $229.5 million, to be paid in cash, subject to certain working capital and other purchase price adjustments. On July 6, 2018, the Company and ERI mutually agreed to terminate the asset purchase agreement with respect to the Lady Luck Vicksburg Transaction (the "Termination Agreement"). Pursuant to the Termination Agreement, the Company has agreed to pay to ERI a termination fee of $5.0 million, subject to the parties' execution of a definitive agreement with respect to the Lady Luck Nemacolin Transaction, as described below. Concurrently with the entry into the Termination Agreement, the Company and ERI also entered into an amendment to the previously announced asset purchase agreement relating to the Presque Isle Transaction (the "Amendment"). Pursuant to the Amendment, the Company and ERI have agreed to, among other things, (i) eliminate the consummation of the Lady Luck Vicksburg Transaction as a condition to closing the Presque Isle Transaction, (ii) withdraw the parties’ filings previously submitted in connection with the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), and submit new filings pursuant to the HSR Act to reflect the transactions contemplated by the Amendment and the Termination Agreement and (iii) cooperate in good faith, subject to certain conditions, to enter into an agreement pursuant to which the Company, for cash consideration of $100,000, will assume the rights and obligations of an affiliate of ERI to operate the Lady Luck Casino Nemacolin in Farmington, Pennsylvania (the "Lady Luck Nemacolin Transaction"). The Presque Isle Transaction reflects a stand-alone purchase price of $178.9 million and remains dependent on usual and customary closing conditions. Closing of the Presque Isle Transaction is also conditioned on the execution of the definitive agreement with respect to the Lady Luck Nemacolin Transaction. Subject to expiration of termination of the waiting period under the HSR Act, receipt of Pennsylvania regulatory approvals, and other customary closing conditions, the Presque Isle Transaction and the Lady Luck Nemacolin Transaction are expected to close in the fourth quarter of 2018. On April 24, 2017, we completed the acquisition of certain assets of BAM Software and Services, LLC ("BetAmerica"), which has not had a material impact on our results of operations, financial condition or cash flows. The Company has not included other disclosures regarding BetAmerica because the acquired business is immaterial to our business.

6. ACQUISITIONS

On February 28, 2018, the Company entered into two separate definitive asset purchase agreements with Eldorado Resorts, Inc. ("ERI") to acquire substantially all of the assets and properties used in connection with the operation of Presque Isle Downs & Casino in Erie, Pennsylvania (the "Presque Isle Transaction"), and Lady Luck Casino in Vicksburg, Mississippi (the "Lady Luck Vicksburg Transaction") for total aggregate consideration of approximately $229.5 million, to be paid in cash, subject to certain working capital and other purchase price adjustments.

On July 6, 2018, the Company and ERI mutually agreed to terminate the asset purchase agreement with respect to the Lady Luck Vicksburg Transaction (the "Termination Agreement"). Pursuant to the Termination Agreement, the Company has agreed to pay to ERI a termination fee of $5.0 million, subject to the parties' execution of a definitive agreement with respect to the Lady Luck Nemacolin Transaction, as described below.

Concurrently with the entry into the Termination Agreement, the Company and ERI also entered into an amendment to the previously announced asset purchase agreement relating to the Presque Isle Transaction (the "Amendment"). Pursuant to the Amendment, the Company and ERI have agreed to, among other things, (i) eliminate the consummation of the Lady Luck Vicksburg Transaction as a condition to closing the Presque Isle Transaction, (ii) withdraw the parties’ filings previously submitted in connection with the Hart-Scott-Rodino Antitrust Improvements Act of 1976, as amended (the "HSR Act"), and submit new filings pursuant to the HSR Act to reflect the transactions contemplated by the Amendment and the Termination Agreement and (iii) cooperate in good faith, subject to certain conditions, to enter into an agreement pursuant to which the Company, for cash consideration of $100,000, will assume the rights and obligations of an affiliate of ERI to operate the Lady Luck Casino Nemacolin in Farmington, Pennsylvania (the "Lady Luck Nemacolin Transaction"). The Presque Isle Transaction reflects a stand-alone purchase price of $178.9 million and remains dependent on usual and customary closing conditions. Closing of the Presque Isle Transaction is also conditioned on the execution of the definitive agreement with respect to the Lady Luck Nemacolin Transaction. Subject to expiration of termination of the waiting period under the HSR Act, receipt of Pennsylvania regulatory approvals, and other customary closing conditions, the Presque Isle Transaction and the Lady Luck Nemacolin Transaction are expected to close in the fourth quarter of 2018.

On April 24, 2017, we completed the acquisition of certain assets of BAM Software and Services, LLC ("BetAmerica"), which has not had a material impact on our results of operations, financial condition or cash flows. The Company has not included other disclosures regarding BetAmerica because the acquired business is immaterial to our business.