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Summary of Significant Accounting Policies (Other) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Schedule of CRDA Deposits [Line Items] |  |  |
Cash and cash equivalents, maturity of qualifying investments, maximum | 3 months |  |
Restricted cash, maturity of qualifying investments, maximum | 90 days |  |
Interest Costs Capitalized | $ 100 | $ 1,400 | $ 1,100
Self Insurance Reserve [Roll Forward] |  |  |
Self insurance reserve, beginning balance | 33,004 | 44,073 | 38,663
Additions |  |  |
Charged to costs and expenses | 80,311 | 95,269 | 110,683
Payments made | (83,247) | (93,168) | (105,273)
Self insurance reserve, ending balance | 30,068 | 33,004 | 44,073
Gaming taxes | 332,100 | 370,000 | 393,000
Advertising expense | 33,400 | 50,500 | 44,500
Corporate expense | 76,941 | 75,626 | 63,249
Weighted average shares outstanding: |  |  |
Self Insurance Reserves, Decrease from Deconsolidation | $ 0 | $ (13,170) | $ 0

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