Note 11 - Stockholders' Equity and Stock Incentive Plans - Classification of Total Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based compensation expense	$ 25,202	$ 25,379	$ 17,413
Gaming [Member]
Share-based compensation expense	628	490	363
Food & Beverage [Member]
Share-based compensation expense	120	94	69
Room [Member]
Share-based compensation expense	57	44	33
Selling, General and Administrative Expenses [Member]
Share-based compensation expense	3,195	2,488	1,846
Corporate Expense [Member]
Share-based compensation expense	$ 21,202	$ 22,263	$ 15,102