STOCK-BASED COMPENSATION - Reported Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Stock-based compensation expense
Total stock-based compensation, before taxes	$ 981	$ 1,003	$ 1,854	$ 1,918
Tax benefit	(206)	(211)	(389)	(403)
Total stock-based compensation, net of tax	775	792	1,465	1,515
Casino
Stock-based compensation expense
Total stock-based compensation, before taxes	56	55	56	101
Food and beverage
Stock-based compensation expense
Total stock-based compensation, before taxes	12	48	69	98
Hotel
Stock-based compensation expense
Total stock-based compensation, before taxes	27	22	55	43
Selling, general and administrative
Stock-based compensation expense
Total stock-based compensation, before taxes	$ 886	$ 878	$ 1,674	$ 1,676

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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