Annual report pursuant to Section 13 and 15(d)

Property and Equipment, Net (Details)

v3.20.4
Property and Equipment, Net (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Property Plant And Equipment [Line Items]      
Depreciation expense $ 707.9 $ 627.7 $ 534.9
Repairs and maintenance expenses including Dry-dock expenses 129.9 199.7 199.5
Interest costs capitalized 25.2 $ 32.9 $ 30.4
Ships improvements      
Property Plant And Equipment [Line Items]      
Costs associated with ship improvements $ 341.5