Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Related Party Transactions - Cost of Revenues of Accounts Payable (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE $ 1,020   $ 1,020   $ 370
SELLING, GENERAL AND ADMINISTRATIVE COSTS 659 $ 532 1,093 $ 961  
Related parties          
Related Party Transaction [Line Items]          
COST OF REVENUE 2,650 2,428 3,363 4,220  
ACCOUNTS PAYABLE 1,020   1,020   370
SELLING, GENERAL AND ADMINISTRATIVE COSTS 659 532 1,093 961  
CAPITAL EXPENDITURES 217 2,332 217 3,904  
Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties          
Related Party Transaction [Line Items]          
COST OF REVENUE 2,650 0 3,363 0  
Cobra and T&E | Related parties          
Related Party Transaction [Line Items]          
COST OF REVENUE 0 1,486 0 2,762  
CAPITAL EXPENDITURES 0 757 0 1,131  
Higher Power and T&E | Related parties          
Related Party Transaction [Line Items]          
COST OF REVENUE 0 950 0 1,458  
CAPITAL EXPENDITURES 0 1,575 0 2,773  
Other | Related parties          
Related Party Transaction [Line Items]          
COST OF REVENUE 0 (8) 0 0  
SELLING, GENERAL AND ADMINISTRATIVE COSTS 46 97 97 142  
The Company and Wexford | Related parties          
Related Party Transaction [Line Items]          
SELLING, GENERAL AND ADMINISTRATIVE COSTS 206 290 442 473  
The Company and Caliber | Related parties          
Related Party Transaction [Line Items]          
SELLING, GENERAL AND ADMINISTRATIVE COSTS 258 145 388 346  
Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties          
Related Party Transaction [Line Items]          
SELLING, GENERAL AND ADMINISTRATIVE COSTS 149 0 166 0  
Leopard and Brim Equipment | Related parties          
Related Party Transaction [Line Items]          
CAPITAL EXPENDITURES 217 $ 0 217 $ 0  
ACCOUNTS PAYABLE | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 788   788   240
ACCOUNTS PAYABLE | Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 788   788   0
ACCOUNTS PAYABLE | Cobra and T&E | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 0   0   0
ACCOUNTS PAYABLE | Higher Power and T&E | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 0   0   0
ACCOUNTS PAYABLE | Other | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 0   0   240
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 150   150   130
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Other | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 44   44   27
SELLING, GENERAL AND ADMINISTRATIVE COSTS | The Company and Wexford | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 42   42   100
SELLING, GENERAL AND ADMINISTRATIVE COSTS | The Company and Caliber | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 64   64   3
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 0   0   0
CAPITAL EXPENDITURES | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 82   82   0
CAPITAL EXPENDITURES | Cobra and T&E | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 0   0   0
CAPITAL EXPENDITURES | Higher Power and T&E | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE 0   0   0
CAPITAL EXPENDITURES | Leopard and Brim Equipment | Related parties          
Related Party Transaction [Line Items]          
ACCOUNTS PAYABLE $ 82   $ 82   $ 0