CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Revenues
Casino	$ 178,585	$ 168,861	$ 156,843
Food and beverage	63,416	60,269	56,500
Hotel	24,784	23,374	22,629
Other	12,467	11,640	11,198
Gross revenues	279,252	264,144	247,170
Less promotional allowances	(48,526)	(47,112)	(44,925)
Net revenues	230,726	217,032	202,245
Operating expenses
Casino	73,017	69,529	65,970
Food and beverage	25,727	24,627	22,249
Hotel	9,320	7,231	6,787
Other	4,141	3,855	3,963
Selling, general and administrative	62,719	57,730	54,779
Depreciation and amortization	15,132	14,835	15,933
Loss on disposition of assets	4	677	9
Total operating expenses	190,060	178,484	169,690
Income from operations	40,666	38,548	32,555
Other expenses
Interest expense, net of amounts capitalized	(967)	(616)	(679)
Total other expense	(967)	(616)	(679)
Income before income taxes	39,699	37,932	31,876
Provision for income taxes	(14,161)	(13,358)	(11,217)
Net income	$ 25,538	$ 24,574	$ 20,659
Earnings per share of common stock
Basic (in dollars per share)	$ 1.45	$ 1.42	$ 1.22
Diluted (in dollars per share)	$ 1.39	$ 1.39	$ 1.19
Weighted average number of common shares and potential common shares outstanding
Basic (in shares)	17,585	17,305	16,948
Diluted (in shares)	18,367	17,664	17,335