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Organization and Summary of Significant Accounting Policies Organization and Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2012
Accounting Policies [Abstract]  
Schedule of Long-Lived Assets, by Reporting Segment
Our Drilling Services Segment provides contract land drilling services to a diverse group of oil and gas exploration and production companies with its fleet of 68 drilling rigs which are currently assigned to the following divisions:
Drilling Division
 
Rig Count
South Texas
 
13

East Texas
 
4

West Texas
 
22

North Dakota
 
12

Utah
 
5

Appalachia
 
4

Colombia
 
8

 
 
68