Annual report pursuant to Section 13 and 15(d)

Impairments (Details)

v3.19.1
Impairments (Details) - USD ($)
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Property, Plant and Equipment [Line Items]                      
Impairment of goodwill                 $ 3,203,000 $ 0 $ 0
Impairment of intangible                 1,379,000 0 0
Impairment of long-lived assets $ 4,086,000 $ 4,582,000 $ 187,000 $ 0 $ 4,146,000 $ 0 $ 0 $ 0 8,855,000 4,146,000 [1],[2] 1,871,000 [3],[4]
Impairment of long-lived assets held for use                 4,300,000 4,100,000 1,900,000
Drilling Rigs                      
Property, Plant and Equipment [Line Items]                      
Asset impairment charges                 3,966,000 3,822,000 347,000
Flowback equipment                      
Property, Plant and Equipment [Line Items]                      
Asset impairment charges                 0 0 1,385,000
Other property, plant and equipment                      
Property, Plant and Equipment [Line Items]                      
Asset impairment charges                 307,000 $ 324,000 $ 139,000
Cementing                      
Property, Plant and Equipment [Line Items]                      
Impairment of goodwill   $ 3,200,000             3,200,000    
Cementing | Customer relationships                      
Property, Plant and Equipment [Line Items]                      
Impairment of intangible                 1,000,000    
Cementing | Trade names                      
Property, Plant and Equipment [Line Items]                      
Impairment of intangible                 200,000    
Silverback Energy | Trade names                      
Property, Plant and Equipment [Line Items]                      
Impairment of intangible                 $ 200,000    
[1] Financial information includes the results attributable to Sturgeon for the entire period presented. See Note 4.
[2] Financial information includes the results attributable to Sturgeon for the entire period presented. See Note 4.
[3] Financial information has been recast to include results attributable to Sturgeon. See Note 4.
[4] Financial information has been recast to include results attributable to Sturgeon. See Note 4.