CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Revenues
Casino	$ 168,861	$ 156,843	$ 145,134
Food and beverage	60,269	56,500	52,314
Hotel	23,374	22,629	21,733
Other	11,640	11,198	10,394
Gross revenues	264,144	247,170	229,575
Less promotional allowances	(47,112)	(44,925)	(41,808)
Net revenues	217,032	202,245	187,767
Operating expenses
Casino	69,529	65,970	61,583
Food and beverage	24,627	22,249	21,410
Hotel	7,231	6,787	5,992
Other	3,855	3,963	3,545
Selling, general and administrative	57,730	54,779	52,987
Depreciation and amortization	14,835	15,933	17,824
Loss (gain) on disposition of assets	677	9	343
Colorado ballot initiative costs			1,864
Total operating expenses	178,484	169,690	165,548
Income from operations	38,548	32,555	22,219
Other expenses
Interest expense, net of amounts capitalized	(616)	(679)	(1,104)
Total other expense	(616)	(679)	(1,104)
Income before income taxes	37,932	31,876	21,115
Provision for income taxes	(13,358)	(11,217)	(6,930)
Net income	$ 24,574	$ 20,659	$ 14,185
Net income
Basic (in dollars per share)	$ 1.42	$ 1.22	$ 0.85
Diluted (in dollars per share)	$ 1.39	$ 1.19	$ 0.83
Weighted average number of common shares and potential common shares outstanding
Basic (in shares)	17,305	16,948	16,734
Diluted (in shares)	17,664	17,335	17,107