STOCK-BASED COMPENSATION - Reported Expense (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Stock-based compensation expense
Total stock-based compensation, before taxes	$ 1,003	$ 825	$ 1,918	$ 1,391
Tax benefit	(211)	(173)	(403)	(292)
Total stock-based compensation, net of tax	792	652	1,515	1,099
Casino
Stock-based compensation expense
Total stock-based compensation, before taxes	55	43	101	81
Food and beverage
Stock-based compensation expense
Total stock-based compensation, before taxes	48	36	98	74
Hotel
Stock-based compensation expense
Total stock-based compensation, before taxes	22	11	43	21
Selling, general and administrative
Stock-based compensation expense
Total stock-based compensation, before taxes	$ 878	$ 735	$ 1,676	$ 1,215

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

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