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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2022
Accounting Policies [Abstract]  
Useful Lives of Property and Equipment Used in Computation of Depreciation
Depreciation of property and equipment is computed utilizing the following useful lives:
Years
Ships
generally, 30-35
Ship improvements
3-25
Buildings and improvements
10-40
Computer hardware and software
3-10
Transportation equipment and other
3-30
Leasehold improvements
Shorter of remaining lease term or useful life 3-30