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Leases - Narrative (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Dec. 31, 2022
USD ($)
Jan. 31, 2022
extension_option
Nov. 30, 2021
Lessee, Lease, Description [Line Items]              
Present value of lease liabilities $ 327,334   $ 327,334   $ 351,332    
Variable lease cost 13,200 $ 12,600 72,100 $ 32,000      
Land and Building              
Lessee, Lease, Description [Line Items]              
Number of extension options | extension_option           2  
Additional lease term           5 years  
Present value of lease liabilities 56,800   56,800   55,500    
Ships | Silver Dawn              
Lessee, Lease, Description [Line Items]              
Present value of lease liabilities $ 250,600   $ 250,600   $ 264,800    
Finance lease term             15 years
Minimum | Real Estate              
Lessee, Lease, Description [Line Items]              
Renewal term 1 year   1 year        
Minimum | Berthing Agreement              
Lessee, Lease, Description [Line Items]              
Renewal term 1 year   1 year        
Maximum | Real Estate              
Lessee, Lease, Description [Line Items]              
Renewal term 10 years   10 years        
Maximum | Berthing Agreement              
Lessee, Lease, Description [Line Items]              
Renewal term 20 years   20 years