Newbuildings - Narrative (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 ($)
|
Dec. 31, 2021
USD ($)
|
|
| Property, Plant and Equipment [Line Items] | |||||||||
| Number of newbuild Jack-up rigs | rig | 3 | 3 | |||||||
| Impairment of non-current assets | $ 124.4 | $ 0.0 | |||||||
| Keppel Delivery Financing | |||||||||
| Property, Plant and Equipment [Line Items] | |||||||||
| Final installment amount | $ 294.8 | $ 294.8 | $ 294.8 | 294.8 | $ 448.2 | ||||
| Letter of intent | |||||||||
| Property, Plant and Equipment [Line Items] | |||||||||
| Number of newbuild Jack-up rigs | rig | 3 | 3 | 3 | 3 | 3 | 3 | |||
| Letter of intent | Newbuildings | |||||||||
| Property, Plant and Equipment [Line Items] | |||||||||
| Potential sale price | $ 320.0 | $ 320.0 | $ 320.0 | $ 320.0 | $ 320.0 | $ 320.0 | 320.0 | ||
| Impairment of non-current assets | $ 124.4 | $ 124.4 | |||||||
| Gain on disposals | $ 3.7 | ||||||||