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Intangible Assets (Summary of Amortizing and Indefinite-Lived Intangibles) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Intangible Assets [Line Items] |  |  |  |
Intangible assets, gross | $ 1,067,725 | $ 1,238,545 |  |
Intangible assets, cumulative amortization | (40,505) | (172,317) |  |
Intangible assets, cumulative impairment | (184,274) | (184,274) |  |
Intangible assets, net | 842,946 | 881,954 | $ 890,054 | $ 934,249
Amortizing intangibles: |  |  |  |
Gross carrying value | 42,503 | 211,523 |  |
Cumulative amortization | (6,545) | (138,357) |  |
Cumulative impairment losses | 0 | 0 |  |
Intangible assets, net | 35,958 | 73,166 |  |
Indefinite lived intangible assets: |  |  |  |
Gross carrying value | 1,025,222 | 1,027,022 |  |
Cumulative amortization | (33,960) | (33,960) |  |
Cumulative impairment losses | (184,274) | (184,274) |  |
Intangible assets, net | $ 806,988 | $ 808,788 |  |
Customer Relationships |  |  |  |
Amortizing intangibles: |  |  |  |
Weighted average life | 5 years 2 months 13 days | 1 year 1 month |  |
Gross carrying value | $ 9,400 | $ 144,780 |  |
Cumulative amortization | (3,470) | (125,318) |  |
Cumulative impairment losses | 0 | 0 |  |
Intangible assets, net | $ 5,930 | $ 19,462 | 26,306 | 51,958
Favorable Lease Rates |  |  |  |
Amortizing intangibles: |  |  |  |
Weighted average life | 38 years | 31 years 4 months 24 days |  |
Gross carrying value | $ 11,730 | $ 45,370 |  |
Cumulative amortization | (3,075) | (13,039) |  |
Cumulative impairment losses | 0 | 0 |  |
Intangible assets, net | $ 8,655 | $ 32,331 | 33,373 | 34,414
Development Agreement |  |  |  |
Amortizing intangibles: |  |  |  |
Weighted average life | 0 years | 0 years |  |
Gross carrying value | $ 21,373 | $ 21,373 |  |
Cumulative amortization | 0 | 0 |  |
Cumulative impairment losses | 0 | 0 |  |
Intangible assets, net | 21,373 | 21,373 | 21,373 | 21,373
Trademarks |  |  |  |
Intangible Assets [Line Items] |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 0 | 800 |  |
Indefinite lived intangible assets: |  |  |  |
Gross carrying value | 151,887 | 153,687 |  |
Cumulative amortization | 0 | 0 |  |
Cumulative impairment losses | (4,300) | (4,300) |  |
Intangible assets, net | 147,587 | 149,387 | 126,001 | 126,001
Gaming License Rights |  |  |  |
Intangible Assets [Line Items] |  |  |  |
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill) | 0 | 23,600 | 17,502 |
Indefinite lived intangible assets: |  |  |  |
Gross carrying value | 873,335 | 873,335 |  |
Cumulative amortization | (33,960) | (33,960) |  |
Cumulative impairment losses | (179,974) | (179,974) |  |
Intangible assets, net | $ 659,401 | $ 659,401 | $ 683,001 | $ 700,503
Minimum | Favorable Lease Rates |  |  |  |
Amortizing intangibles: |  |  |  |
Weighted average life | 41 years |  |  |
Indefinite-Lived Intangible Assets, Valuation Assumptions [Abstract] |  |  |  |
Valuation assumptions, term | 41 years |  |  |
Maximum | Favorable Lease Rates |  |  |  |
Amortizing intangibles: |  |  |  |
Weighted average life | 52 years |  |  |
Indefinite-Lived Intangible Assets, Valuation Assumptions [Abstract] |  |  |  |
Valuation assumptions, term | 52 years |  |  |

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