Quarterly report pursuant to Section 13 or 15(d)

Other (Narrative) (Details)

v3.5.0.2
Other (Narrative) (Details)
$ / d in Thousands
1 Months Ended 9 Months Ended
Oct. 31, 2016
$ / d
Jan. 31, 2016
$ / d
Sep. 30, 2016
contract
Operating Leases And Other Property Plant And Equipment [Line Items]      
Operating lease payable amount per day for placing rig on standby   15  
Horizontal Drilling Rig [Member]      
Operating Leases And Other Property Plant And Equipment [Line Items]      
Number of contracts | contract     2
Extended contract expiration terms     The contract terms of the Cactus 1 Rig and Cactus 2 Rig will end in July 2018 and August 2018, respectively.
Horizontal Drilling Rig [Member] | Subsequent Event [Member]      
Operating Leases And Other Property Plant And Equipment [Line Items]      
Rig rental payment rate per day 16    
Rig rental contract start date January 2017    
Rig rental contract end date June 2017