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Debt (Details)
9 Months Ended
Sep. 30, 2015
USD ($)
Mar. 20, 2013
USD ($)
May. 25, 2011
USD ($)
May. 25, 2011
CAD
Credit Facility        
Maximum borrowing capacity     $ 30,000,000  
Minimum excess availability $ 10,000,000      
Fixed charge coverage ratio, minimum 1.0      
Calculated borrowing base $ 27,300,000      
Current borrowing capacity 17,300,000      
Amount outstanding $ 0      
Seitel Canada [Member]        
Credit Facility        
Percent of present and future assets and equity used as guarantee 65.00%      
Canadian Lender [Member]        
Credit Facility        
Maximum borrowing capacity | CAD       CAD 5,000,000
Senior Notes [Member] | 9½% Senior Notes [Member]        
9½% Senior Unsecured Notes        
Face amount of senior notes   $ 250,000,000    
Interest rate of senior notes   9.50%    
Debt Instrument, Redemption, Period One [Member] | Senior Notes [Member] | 9½% Senior Notes [Member]        
9½% Senior Unsecured Notes        
Percentage of principal amount 35.00%      
Call premium 109.50%      
Debt Instrument, Redemption, Period Two [Member] | Senior Notes [Member] | 9½% Senior Notes [Member]        
9½% Senior Unsecured Notes        
Call premium 101.00%      
London Interbank Offered Rate (LIBOR) [Member]        
Credit Facility        
Basis spread on variable rate 3.50%      
Federal Funds Rate [Member]        
Credit Facility        
Basis spread on variable rate 0.50%      
Three-Month London Interbank Offered Rate (LIBOR) [Member]        
Credit Facility        
Basis spread on variable rate 1.00%      
Prime Rate [Member]        
Credit Facility        
Basis spread on variable rate 2.50%