Related Party Transactions - Cost of Revenues of Accounts Payable (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	$ 14		$ 14		$ 526
SELLING, GENERAL AND ADMINISTRATIVE COSTS	198	$ 659	413	$ 1,093
Related parties
Related Party Transaction [Line Items]
COST OF REVENUE	97	2,650	198	3,363
ACCOUNTS PAYABLE	14		14		526
SELLING, GENERAL AND ADMINISTRATIVE COSTS	198	659	413	1,093
CAPITAL EXPENDITURES	0	217	0	217
Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties
Related Party Transaction [Line Items]
COST OF REVENUE	8	2,650	21	3,363
SELLING, GENERAL AND ADMINISTRATIVE COSTS	0	149	0	166
Anaconda and Caliber | Related parties
Related Party Transaction [Line Items]
COST OF REVENUE	62	0	124	0
Other | Related parties
Related Party Transaction [Line Items]
COST OF REVENUE	27	0	53	0
SELLING, GENERAL AND ADMINISTRATIVE COSTS	7	46	30	97
The Company and Wexford | Related parties
Related Party Transaction [Line Items]
SELLING, GENERAL AND ADMINISTRATIVE COSTS	0	206	0	442
The Company and Caliber | Related parties
Related Party Transaction [Line Items]
SELLING, GENERAL AND ADMINISTRATIVE COSTS	191	258	383	388
Leopard and Brim Equipment | Related parties
Related Party Transaction [Line Items]
CAPITAL EXPENDITURES	0	$ 217	0	$ 217
ACCOUNTS PAYABLE | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	0		0		433
ACCOUNTS PAYABLE | Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	0		0		433
ACCOUNTS PAYABLE | Anaconda and Caliber | 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		0
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	14		14		17
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Cobra Aviation/ ARS/Leopard and Brim Equipment | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	0		0		0
SELLING, GENERAL AND ADMINISTRATIVE COSTS | Other | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	14		14		9
SELLING, GENERAL AND ADMINISTRATIVE COSTS | The Company and Wexford | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	0		0		1
SELLING, GENERAL AND ADMINISTRATIVE COSTS | The Company and Caliber | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	0		0		7
CAPITAL EXPENDITURES | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	0		0		76
CAPITAL EXPENDITURES | Leopard and Brim Equipment | Related parties
Related Party Transaction [Line Items]
ACCOUNTS PAYABLE	$ 0		$ 0		$ 76