Promotional Allowances (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Promotional Allowances [Line Items]
Total Promotional Allowances	$ 1,996,000	$ 2,285,000	$ 5,795,000	$ 6,395,000
Outstanding balance of promotional balance liability	900,000		900,000		1,000,000
Hotel, Bowling, Food and Beverage [Member]
Promotional Allowances [Line Items]
Total Promotional Allowances	980,000	1,020,000	2,776,000	2,918,000
Coupons [Member]
Promotional Allowances [Line Items]
Total Promotional Allowances	522,000	602,000	1,536,000	1,543,000
Player Points [Member]
Promotional Allowances [Line Items]
Total Promotional Allowances	$ 494,000	$ 663,000	$ 1,483,000	$ 1,934,000