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Segment Information (Reconciliation of Capital Expenditures) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | $ 128,305 | $ 121,813 | $ 115,250
Change in Accrued Property Additions | 2,865 | 15,938 | 6,913
Cash-Based Capital Expenditures | 131,170 | 137,751 | 122,163
Las Vegas Locals |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | 41,772 | 31,653 | 30,861
Downtown Las Vegas |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | 13,000 | 9,917 | 5,505
Midwest and South |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | 60,887 | 89,029 | 66,683
Reportable Segment [Member] |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | 115,659 | 130,599 | 103,049
Corporate |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | 12,646 | (8,786) | 12,173
Other |  |  |
Segment Reporting, Other Significant Reconciling Item [Line Items] |  |  |
Capital Expenditures | $ 0 | $ 0 | $ 28

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