XML 90 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
Related Party Transactions (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 0 Months Ended
Apr. 25, 2013
Jun. 30, 2013
BGP Joint Venture [Member]
Jun. 30, 2013
BGP Joint Venture [Member]
Jun. 30, 2012
BGP Joint Venture [Member]
Jun. 30, 2013
GeoRXT [Member]
Feb. 19, 2013
GeoRXT [Member]
Jul. 22, 2013
Subsequent Event [Member]
INOVA Geophysical [Member]
Jul. 02, 2013
Subsequent Event [Member]
INOVA Geophysical [Member]
Property Subject to or Available for Operating Lease [Line Items]                
Basis pread on annual rate of loan               6.50%
Company's outstanding common stock owned by BGP   15.20% 15.20%          
Related party transaction, revenues from transactions with related party     $ 2.9 $ 10.2        
Receivables due from BGP   2.7 2.7          
Paid to related party for seismic acquisition services   33.5     6.8      
Owed to related party for unpaid services   10.9 10.9          
Percentage of equity method investment 16.00%         30.00%    
Loan made to equity method investee               10
Payments for Advance to Affiliate             $ 5 $ 5