Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Cost of Revenues of Accounts Payable (Details)

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Related Party Transactions - Cost of Revenues of Accounts Payable (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE $ 526 $ 370  
SELLING, GENERAL AND ADMINISTRATIVE COSTS 1,847 1,898 $ 1,481 [1]
Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 4,770 5,885 1,408
ACCOUNTS PAYABLE 526 370  
SELLING, GENERAL AND ADMINISTRATIVE COSTS 1,847 1,898 1,481
CAPITAL EXPENDITURES 420 4,207 2,009
Cobra Aviation/ARS/Leopard and Brim Equipment | Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 4,720 0 0
Cobra and T&E | Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 0 4,042 610
CAPITAL EXPENDITURES 0 1,247 629
Higher Power and T&E | Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 0 1,603 25
CAPITAL EXPENDITURES 0 2,960 1,380
Panther and DBDHT | Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 0 240 196
The Company and 2017 Stingray Companies | Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 0 0 432
Other Relationships | Related parties      
Related Party Transaction [Line Items]      
COST OF REVENUE 50 0 145
SELLING, GENERAL AND ADMINISTRATIVE COSTS 179 258 254
The Company and Wexford | Related parties      
Related Party Transaction [Line Items]      
SELLING, GENERAL AND ADMINISTRATIVE COSTS 650 992 892
The Company and Caliber | Related parties      
Related Party Transaction [Line Items]      
SELLING, GENERAL AND ADMINISTRATIVE COSTS 785 648 335
Cobra Aviation/ARS/Leopard and Brim Equipment | Related parties      
Related Party Transaction [Line Items]      
SELLING, GENERAL AND ADMINISTRATIVE COSTS 233 0 0
Leopard and Brim Equipment | Related parties      
Related Party Transaction [Line Items]      
CAPITAL EXPENDITURES 420 0 $ 0
ACCOUNTS PAYABLE | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 433 240  
ACCOUNTS PAYABLE | Cobra Aviation/ARS/Leopard and Brim Equipment | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 433 0  
ACCOUNTS PAYABLE | Cobra and T&E | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
ACCOUNTS PAYABLE | Higher Power and T&E | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
ACCOUNTS PAYABLE | Panther and DBDHT | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 240  
ACCOUNTS PAYABLE | The Company and 2017 Stingray Companies | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
ACCOUNTS PAYABLE | Other Relationships | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 17 130  
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Other Relationships | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 9 27  
SELLING, GENERAL AND ADMINISTRATIVE COSTS | The Company and Wexford | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 1 100  
SELLING, GENERAL AND ADMINISTRATIVE COSTS | The Company and Caliber | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 7 3  
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Cobra Aviation/ARS/Leopard and Brim Equipment | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
CAPITAL EXPENDITURES | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 76 0  
CAPITAL EXPENDITURES | Cobra and T&E | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
CAPITAL EXPENDITURES | Higher Power and T&E | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE 0 0  
CAPITAL EXPENDITURES | Leopard and Brim Equipment | Related parties      
Related Party Transaction [Line Items]      
ACCOUNTS PAYABLE $ 76 $ 0  
[1] Financial information includes the results attributable to Sturgeon for the entire period presented. See Note 4.