XML 62 R51.htm IDEA: XBRL DOCUMENT v3.10.0.1
Commitments and Contingencies - Additional Information (Details) - USD ($)
1 Months Ended 9 Months Ended
Mar. 29, 2018
Feb. 28, 2018
Sep. 30, 2018
Drilling Rig      
Loss Contingencies [Line Items]      
Operating lease commencing month and year     2018-04
Aggregate drilling rate   $ 22,500  
Drilling rig termination fee description     The early termination fee equals the greater of demobilization costs or $200 thousand, plus $200 thousand for each undrilled well.
Hydraulic Fracturing and Wireline Services      
Loss Contingencies [Line Items]      
Early termination fee amount $ 133,000