XML 42 R31.htm IDEA: XBRL DOCUMENT v3.21.2
Asset Impairments and Other Restructuring Items - Narrative (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Mar. 31, 2020
Sep. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Sep. 30, 2020
USD ($)
Jun. 30, 2020
USD ($)
Mar. 31, 2020
USD ($)
Sep. 30, 2021
USD ($)
reporting_unit
Sep. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Impaired Long-Lived Assets Held and Used [Line Items]                    
Percentage decline in crude oil prices 50.00%                  
Reduction of payroll tax expense   $ 1,200         $ 8,800      
Number of reporting units with goodwill balances | reporting_unit             3      
Goodwill, net   76,372         $ 76,372   $ 76,489 $ 482,300
Impairments of goodwill   0   $ 0   $ 406,056 0 $ 406,056    
Fixed assets   0 $ 650 $ 0 $ 2,992 5,198 3,444 8,190    
Offshore/Manufactured Products                    
Impaired Long-Lived Assets Held and Used [Line Items]                    
Goodwill, net   76,500         76,500   $ 76,500  
Impairments of goodwill               86,500    
Well Site Services                    
Impaired Long-Lived Assets Held and Used [Line Items]                    
Impairments of goodwill               127,100    
Fixed assets             3,400      
Operating lease, liability   $ 1,900         $ 1,900      
Well Site Services | Well Site Services Drilling Services                    
Impaired Long-Lived Assets Held and Used [Line Items]                    
Fixed assets           $ 5,200   $ 8,200