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Stock-Based Compensation - Schedule of Allocated Costs (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	$ 62,254	$ 40,372	$ 35,040
Total stock-based compensation capitalized	2,212	350	11
Stock based compensation costs	64,466	40,722	35,051
Reversal of compensation cost previously recognized for awards forfeited in connection with departure of employee	3,300
Casino
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	8,538	7,903	5,946
Rooms
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	1,618	1,046	437
Food and Beverage
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	3,189	1,807	1,125
Entertainment, retail and other
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	432	174	111
General and Administrative Expense
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	48,477	28,772	28,872
Pre-Open Costs
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	0	670	750
Property charges and other
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Stock-based compensation expense	$ 0	$ 0	$ (2,201)

X

- Definition

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

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of noncash expense (reversal of expense) for pension and other postretirement benefits.

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