Newbuildings - Newbuildings Impairment (Details) $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | |||||
---|---|---|---|---|---|---|---|---|---|
Jun. 27, 2022
USD ($)
rig
|
Dec. 31, 2022
USD ($)
rig
|
Jun. 30, 2022
USD ($)
rig
|
Dec. 31, 2022
USD ($)
rig
|
Sep. 30, 2022
rig
|
Jun. 30, 2022
USD ($)
rig
|
Dec. 31, 2022
USD ($)
rig
|
Dec. 31, 2022
USD ($)
|
Dec. 31, 2021
USD ($)
|
|
Carrying Value Of New Buildings [Roll Forward] | |||||||||
Number of newbuild Jack-up rigs | rig | 3 | 3 | |||||||
Impairment charge | $ (124.4) | $ 0.0 | |||||||
Carrying Value | $ 3.9 | $ 3.9 | $ 3.9 | 3.9 | $ 3.7 | ||||
Letter of intent | |||||||||
Carrying Value Of New Buildings [Roll Forward] | |||||||||
Number of newbuild Jack-up rigs | rig | 3 | 3 | 3 | 3 | 3 | 3 | |||
Three newbuildings considered in the LOI carrying value | $ 132.0 | $ 132.0 | $ 132.0 | 132.0 | |||||
Estimated cost to complete and respective onerous provision, net | 312.4 | 312.4 | 312.4 | 312.4 | |||||
Total | 444.4 | 444.4 | 444.4 | 444.4 | |||||
Newbuildings | Letter of intent | |||||||||
Carrying Value Of New Buildings [Roll Forward] | |||||||||
Potential sale price | $ 320.0 | 320.0 | $ 320.0 | 320.0 | $ 320.0 | 320.0 | 320.0 | ||
Impairment charge | $ (124.4) | (124.4) | |||||||
Carrying Value | $ 7.6 | $ 7.6 | $ 7.6 | $ 7.6 |