Lease Obligations (Details) (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Operating Leased Assets [Line Items]
Rent expense	$ 9,900,000	$ 11,900,000	$ 11,700,000
Slot and table game participation expenses	19,600,000	22,200,000	17,900,000
Balterra Casino Resort [Member]
Operating Leased Assets [Line Items]
Term of lease agreement	50 years
Operating Leases, Initial Lease Term	5 years
Number of renewal options	9
Renewal period	5 years
Remaining renewal periods	7
Minimum rental expense	1,400,000
Percentage of gross gaming wins in lease agreement	1.50%
Excess amount of minimum annual rental payments	100,000,000
Option to purchase property	30,000,000
L Auberge du Lac [Member]
Operating Leased Assets [Line Items]
Rent expense	955,000
Term of lease agreement	10 years
Number of renewal options	6
Renewal period	10 years
River City Casino [Member]
Operating Leased Assets [Line Items]
Term of lease agreement	99 years
Future annual minimum rent amount	4,000,000
Future annual minimum rent, percentage of annual adjusted gross receipts	2.50%
Corporate Office Space [Member]
Operating Leased Assets [Line Items]
Rent expense	1,300,000
Term of lease agreement	10 years
Number of renewal options	1
Renewal period	60 months
Abandoned Office Space [Member]
Operating Leased Assets [Line Items]
Rent expense	500,000
Fair value of future costs expected to be incurred without economic benefit for abandoned lease		$ 700,000