Promotional Allowances (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Promotional Allowances [Line Items]
Total Promotional Allowances	$ 1,895,000	$ 2,156,000	$ 3,799,000	$ 4,110,000
Outstanding balance of promotional balance liability	900,000		900,000
Hotel, Bowling, Food and Beverage [Member]
Promotional Allowances [Line Items]
Total Promotional Allowances	908,000	984,000	1,796,000	1,898,000
Coupons [Member]
Promotional Allowances [Line Items]
Total Promotional Allowances	498,000	487,000	1,014,000	941,000
Player Points [Member]
Promotional Allowances [Line Items]
Total Promotional Allowances	$ 489,000	$ 685,000	$ 989,000	$ 1,271,000