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Segment Information (Certain Segment Operating Data and Other) (Details) $ in Thousands | 3 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 31, 2017 USD ($) | Sep. 30, 2017 USD ($) | Jun. 30, 2017 USD ($) | Mar. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Jul. 31, 2016 USD ($) | Dec. 31, 2017 USD ($) segment | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Revenues | $ 590,832 | $ 587,665 | $ 599,868 | $ 605,342 | $ 554,823 | $ 531,901 | $ 544,874 | $ 552,378 |  | $ 2,383,707 | $ 2,183,976 | $ 2,199,432
Corporate expense |  |  |  |  |  |  |  |  |  | 88,148 | 72,668 | 76,941
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 217,522 | 196,226 | 207,118
Project development, preopening and writedowns |  |  |  |  |  |  |  |  |  | 14,454 | 22,107 | 6,907
Share-based compensation expense |  |  |  |  |  |  |  |  |  | 17,413 | 15,518 | 19,264
Other Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 | 38,302 | 18,565
Impairments of assets |  |  |  |  |  |  |  |  |  | (426) | 38,302 | 18,565
Other operating charges, net |  |  |  |  |  |  |  |  |  | 1,900 | 284 | 907
Operating Income (Loss) | $ 80,601 | $ 78,665 | $ 89,361 | $ 94,868 | $ 29,971 | $ 67,916 | $ 80,490 | $ 82,250 |  | $ 343,495 | 260,627 | 271,202
Number of reportable segments | segment |  |  |  |  |  |  |  |  |  | 3 |  |
Segment Reconciling Items [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total Reportable Segment Adjusted EBITDA |  |  |  |  |  |  |  |  |  | $ 595,625 | 536,330 | 527,391
Corporate expense |  |  |  |  |  |  |  |  |  | (73,046) | (59,875) | (60,177)
Reportable Segment Adjusted EBITDA |  |  |  |  |  |  |  |  |  | 668,671 | 596,205 | 587,568
Deferred rent |  |  |  |  |  |  |  |  |  | 1,267 | 3,266 | 3,428
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  | 196,226 | 207,118
Project development, preopening and writedowns |  |  |  |  |  |  |  |  |  |  | 22,107 | 6,907
Share-based compensation expense |  |  |  |  |  |  |  |  |  | 17,413 | 15,518 | 19,264
Impairments of assets |  |  |  |  |  |  |  |  |  |  | 38,302 | 18,565
Other operating charges, net |  |  |  |  |  |  |  |  |  |  | 284 | 907
Total other operating costs and expenses |  |  |  |  |  |  |  |  |  | 252,130 | 275,703 | 256,189
Operating Income (Loss) |  |  |  |  |  |  |  |  |  | 343,495 | 260,627 | 271,202
Las Vegas Locals |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Revenues |  |  |  |  |  |  |  |  |  | 858,921 | 647,867 | 610,107
Total Reportable Segment Adjusted EBITDA |  |  |  |  |  |  |  |  |  | 249,943 | 176,420 | 157,312
Downtown Las Vegas |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Revenues |  |  |  |  |  |  |  |  |  | 243,543 | 236,385 | 234,191
Total Reportable Segment Adjusted EBITDA |  |  |  |  |  |  |  |  |  | 54,535 | 52,420 | 49,314
Midwest and South |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net Revenues |  |  |  |  |  |  |  |  |  | 1,281,243 | 1,299,724 | 1,355,134
Total Reportable Segment Adjusted EBITDA |  |  |  |  |  |  |  |  |  | $ 364,193 | $ 367,365 | 380,942
Borgata |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting, Certain Operating Data and Reconciling Item for Adjusted EBITDA from Segment to Consolidated [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage by noncontrolling owners | 50.00% |  |  |  |  |  |  |  |  | 50.00% |  |
Net Revenues |  |  |  |  |  |  |  |  | $ 485,510 |  |  | 804,166
Operating Income (Loss) |  |  |  |  |  |  |  |  | $ 118,698 |  |  | $ 146,842

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