v2.4.0.6
Intangible Assets (Summary of Amortizing and Indefinite-Lived Intangibles) (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Mar. 31, 2013
Dec. 31, 2012
Intangible Assets [Line Items]    
Intangible assets, gross $ 1,370,989 $ 1,370,878
Intangible assets, cumulative amortization (78,705) (66,240)
Intangible assets, cumulative impairment (185,000) (185,000)
Intangible assets, net 1,107,284 1,119,638
Amortizing intangibles:    
Gross carrying value 223,943 223,943
Cumulative amortization (44,745) (32,280)
Cumulative impairment losses 0 0
Intangible assets, net 179,198 191,663
Indefinite lived intangible assets:    
Gross carrying value 1,147,046 1,146,935
Cumulative amortization (33,960) (33,960)
Cumulative impairment losses (185,000) (185,000)
Intangible assets, net 928,086 927,975
Customer Relationships
    
Amortizing intangibles:    
Weighted average life 4 years 3 months 18 days 4 years 6 months
Gross carrying value 154,000 154,000
Cumulative amortization (34,461) (23,059)
Cumulative impairment losses 0 0
Intangible assets, net 119,539 130,941
Noncompete Agreements [Member]
    
Amortizing intangibles:    
Weighted average life 8 months 12 days 10 months 24 days
Gross carrying value 3,200 3,200
Cumulative amortization (1,155) (354)
Cumulative impairment losses 0 0
Intangible assets, net 2,045 2,846
Favorable Lease Rates
    
Amortizing intangibles:    
Weighted average life 35 years 2 months 12 days 35 years 4 months 24 days
Gross carrying value 45,370 45,370
Cumulative amortization (9,129) (8,867)
Cumulative impairment losses 0 0
Intangible assets, net 36,241 36,503
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
Trademarks
    
Indefinite lived intangible assets:    
Gross carrying value 191,800 191,800
Cumulative amortization 0 0
Cumulative impairment losses (5,000) (5,000)
Intangible assets, net 186,800 186,800
Gaming License Rights
    
Indefinite lived intangible assets:    
Gross carrying value 955,246 955,135
Cumulative amortization (33,960) (33,960)
Cumulative impairment losses (180,000) (180,000)
Intangible assets, net $ 741,286 $ 741,175