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Summary of Significant Accounting Policies - Contract Liabilities (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Outstanding Chip Liability    
Movement in Contract with Customer, Liability [Roll Forward]    
Balance at January 1 $ 997 $ 756
Balance at December 31 1,308 997
Increase (decrease) 311 241
Loyalty Program    
Movement in Contract with Customer, Liability [Roll Forward]    
Balance at January 1 3,969 4,696
Balance at December 31 3,250 3,969
Increase (decrease) (719) (727)
Customer Deposits and Other    
Movement in Contract with Customer, Liability [Roll Forward]    
Balance at January 1 3,497 5,015
Balance at December 31 5,656 3,497
Increase (decrease) $ 2,159 $ (1,518)