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Description of the Business and Summary of Significant Accounting Policies - Covid 19 (Details) - USD ($)
Mar. 31, 2022
Dec. 31, 2021
Mar. 31, 2021
Debt Instrument [Line Items]      
Cash and cash equivalents - unrestricted $ 128,436,000 $ 140,688,000 $ 67,138,000
$800M Gaylord Rockies Term Loan [Member] | Secured Debt [Member]      
Debt Instrument [Line Items]      
Face amount 800,000,000    
Revolving Credit Facility [Member] | $700 Million Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Remaining borrowing capacity $ 509,900,000