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Asset Acquisitions Asset Acquisitions (Acquired Intangible Assets) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |  |
Goodwill, net | $ 685,310 | $ 685,310 |
Trademarks |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 0 | 300 |
Gaming License Rights |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 17,502 | 39,772 | $ 900
Peninsula |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |  |
Goodwill, net | $ 471,734 |  |
Peninsula | Trademarks |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  | 300 | $ 3,200
Peninsula | Gaming License Rights |  |  |
Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Line Items] |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) |  | $ 1,400 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16373-109275 + Details
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