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Lessor accounting (Details 3) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Leases [Abstract]    
Operating Lease, Lease Income $ 47.9 $ 50.1
Lessor, Operating Lease, Payments to be Received, Next Twelve Months $ 9.7  
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration] Revenues Revenues