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Employee Benefit Plans - Table Outlining Company's Participation in Pension Plans (Parenthetical) (Detail) - Agreement
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Multiemployer Plans [Line Items]      
Number of collective bargaining agreements 12    
Number of significant collective bargaining agreements 4    
Southern Nevada Culinary and Bartenders Pension Plan [Member]      
Multiemployer Plans [Line Items]      
Minimum percentage of total contributions to be listed in Pension Plan's Forms 5500   5.00% 5.00%
Multiemployer plans, funded status At least 80 percent    
Legacy Plan of the UNITE HERE Retirement Fund (UHF) [Member]      
Multiemployer Plans [Line Items]      
Minimum percentage of total contributions to be listed in Pension Plan's Forms 5500   5.00% 5.00%
Multiemployer plans, funded status Less than 65 percent