v3.23.1
Debt - Hayfin Loan Facility (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 27, 2022
rig
Jun. 25, 2019
USD ($)
rig
Dec. 31, 2022
USD ($)
rig
Oct. 31, 2022
USD ($)
rig
Aug. 31, 2022
USD ($)
Jun. 30, 2022
rig
Jun. 30, 2020
USD ($)
Dec. 31, 2022
USD ($)
rig
Sep. 30, 2022
rig
Jun. 30, 2022
rig
Dec. 31, 2022
USD ($)
rig
Dec. 31, 2022
USD ($)
rig
Oct. 01, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jan. 30, 2021
Debt Instrument [Line Items]                              
Additional equity offering         $ 274.9                    
Number of rig deliveries deferred | rig                     2 2      
Number of newbuild Jack-up rigs | rig 3                 3          
Restricted cash     $ 10.5         $ 10.5     $ 10.5 $ 10.5   $ 11.1  
Book value of jackup rigs pledged as collateral for long-term debt facilities     2,396.2         2,396.2     2,396.2 2,396.2   $ 2,730.8  
New DNB Facility                              
Debt Instrument [Line Items]                              
Principal     150.0 $ 150.0       150.0     150.0 150.0 $ 150.0    
Number of jack-up rigs secured by mortgage | rig       5                      
Percentage covered for aggregate outstanding facility, amount                           175.00%  
Book value of jackup rigs pledged as collateral for long-term debt facilities     443.6         443.6     443.6 443.6      
Total     $ 150.0         $ 150.0     $ 150.0 150.0      
Letter of intent                              
Debt Instrument [Line Items]                              
Number of newbuild Jack-up rigs | rig     3     3   3 3 3 3        
Hayfin Facility                              
Debt Instrument [Line Items]                              
Face amount   $ 195.0                          
Number of jack-up rigs secured by mortgage | rig   3                          
Minimum liquidity equal to interest period   3 months         3 months                
Minimum liquidity covenant levels, amount             $ 2.4                
Restricted cash                           $ 1.1  
Repayment of long-term debt     $ 15.0 $ 30.0       $ 45.0              
Interim payment 2021     20.0         20.0     $ 20.0 20.0      
Interim payment 2022     30.0         30.0     30.0 30.0      
Book value of jackup rigs pledged as collateral for long-term debt facilities     383.6         383.6     383.6 383.6      
Total     154.0         154.0     154.0 154.0      
Deferred amendment fee     $ 2.0         $ 2.0     $ 2.0 $ 2.0      
Hayfin Facility | Period 1                              
Debt Instrument [Line Items]                              
Percentage covered for aggregate outstanding facility, amount   175.00%                          
Hayfin Facility | Period 2                              
Debt Instrument [Line Items]                              
Percentage covered for aggregate outstanding facility, amount                             140.00%