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Stock-Based Compensation - Share Based Compensation Allocated Costs (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 25,107	$ 21,084	$ 49,453	$ 30,448
Total stock-based compensation capitalized	1,124	486	2,029	703
Total stock-based compensation costs	26,231	21,570	51,482	31,151
Reversal of compensation cost previously recognized for awards forfeited in connection with departure of employee				3,300
Casino
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	3,686	3,196	7,577	2,300
Rooms
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	403	346	909	695
Food and beverage
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	822	666	1,972	1,303
Entertainment, retail and other (2)
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	4,921	84	9,221	157
Entertainment, retail and other (2) | Restricted Stock Performance Awards
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	1,400	4,400	2,700	4,400
General and administrative
Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Stock-based compensation expense	$ 15,275	$ 16,792	$ 29,774	$ 25,993

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

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