Quarterly report pursuant to Section 13 or 15(d)

Other (Details)

v3.8.0.1
Other (Details)
$ in Thousands
1 Months Ended 3 Months Ended
May 02, 2018
USD ($)
Mar. 31, 2018
Mar. 31, 2018
contract
Other [Abstract]      
Dedicated fracturing and pump down perforating crews, agreement period   2 years  
Forecast      
Operating Leases And Other Property Plant And Equipment [Line Items]      
Potential loss on contract termination | $ $ 23,682    
Horizontal Drilling Rig      
Operating Leases And Other Property Plant And Equipment [Line Items]      
Number of contracts | contract     5