Debt	9 Months Ended
Sep. 30, 2015
Debt Disclosure [Abstract]
Debt	DEBT 9½% Senior Unsecured Notes: On March 20, 2013, the Company issued, in a private placement, $250.0 million aggregate principal amount of 9½% senior notes (the “9½% Senior Notes”). As required by their terms, the 9½% Senior Notes were exchanged for senior notes of like amounts and terms in a publicly registered exchange offer in August 2013. The 9½% Senior Notes mature on April 15, 2019. Interest is payable in cash, semi-annually on April 15 and October 15 of each year. The 9½% Senior Notes are unsecured and are jointly and severally guaranteed by substantially all of the Company's significant domestic subsidiaries on a senior basis. The 9½% Senior Notes contain restrictive covenants which limit the Company's ability to, among other things, incur additional indebtedness, incur liens, pay dividends and make other restricted payments, engage in transactions with affiliates, and complete mergers, acquisitions and sales of assets. From time to time on or before April 15, 2016, the Company may redeem up to 35% of the aggregate principal amount of the 9½% Senior Notes with the net proceeds of equity offerings at a redemption price equal to 109.50% of the principal amount, plus accrued and unpaid interest. Upon a change of control (as defined in the indenture), each holder of the 9½% Senior Notes will have the right to require the Company to offer to purchase all of such holder's notes at a price equal to 101% of the principal amount, plus accrued and unpaid interest. Credit Facility: On May 25, 2011, the Company entered into a credit agreement (the “Credit Facility”) with Wells Fargo Capital Finance, LLC (the “U.S. Lender”) and Wells Fargo Capital Finance Corporation Canada (the “Canadian Lender,” and collectively with the U.S. Lender, the “Lenders”). The Credit Facility provides a $30.0 million revolving credit facility with a Canadian sublimit of $5.0 million (Canadian), subject to borrowing base limitations based on the Company's seismic data assets and eligible accounts receivable, each as defined in the Credit Facility, calculated on a monthly basis. The Credit Facility matures on May 25, 2016. Each existing and future direct and indirect wholly-owned domestic subsidiary of the Company (collectively, the “U.S. Guarantors”) is a guarantor of payment of the U.S. obligations under the Credit Facility, and Seitel Canada Ltd. (“Seitel Canada”), a wholly-owned subsidiary of the Company, and each future direct and indirect wholly-owned Canadian subsidiary of the Company (such subsidiaries together with Seitel Canada, the “Canadian Guarantors”) are guarantors of payment of the Canadian obligations under the Credit Facility. The borrowings under the Credit Facility are secured by a perfected first priority lien and security interest (subject to certain exceptions) in favor of the U.S. Lender in all present and future assets and equity of the Company and each U.S. Guarantor and 65% of the equity in Seitel Canada, and borrowings by Seitel Canada are secured by a perfected first priority lien and security interest (subject to certain exceptions) in favor of the Canadian Lender in all present and future assets of each Canadian Guarantor. U.S. borrowings under the Credit Facility bear interest at a rate per annum equal to, at the Company's option, either (a) the London Interbank Offered Rate (“LIBOR”) rate plus 3.50% or (b) a base rate determined by reference to the highest of (i) the federal funds rate plus ½ of 1%, (ii) the three-month LIBOR rate plus 1% and (iii) the prime rate of Wells Fargo Bank, National Association, plus 2.50%. Canadian borrowings under the Credit Facility bear interest based on a Canadian base rate, as defined in the Credit Facility. The Credit Facility requires that the Company maintain minimum excess availability (as defined in the Credit Facility) of $10.0 million or, if such excess availability is not maintained, then the Company's fixed charge coverage ratio (as defined in the Credit Facility) may not be less than 1.00 to 1.00. In addition, the Credit Facility contains affirmative and negative covenants, representations and warranties, borrowing conditions, events of default and remedies for the Lenders. The aggregate loan or any individual loan made under the Credit Facility may be prepaid at any time subject to certain restrictions. The Credit Facility is also subject to the payment of upfront, letter of credit, administrative and certain other fees. As of September 30, 2015, the calculated borrowing base was $27.3 million; however, the availability was limited to $17.3 million to allow for the minimum excess availability required as the fixed charge coverage ratio was below 1.00 to 1.00. No amounts were outstanding under the Credit Facility as of September 30, 2015.

DEBT

9½% Senior Unsecured Notes: On March 20, 2013, the Company issued, in a private placement, $250.0 million aggregate principal amount of 9½% senior notes (the “9½% Senior Notes”). As required by their terms, the 9½% Senior Notes were exchanged for senior notes of like amounts and terms in a publicly registered exchange offer in August 2013. The 9½% Senior Notes mature on April 15, 2019. Interest is payable in cash, semi-annually on April 15 and October 15 of each year. The 9½% Senior Notes are unsecured and are jointly and severally guaranteed by substantially all of the Company's significant domestic subsidiaries on a senior basis. The 9½% Senior Notes contain restrictive covenants which limit the Company's ability to, among other things, incur additional indebtedness, incur liens, pay dividends and make other restricted payments, engage in transactions with affiliates, and complete mergers, acquisitions and sales of assets.

From time to time on or before April 15, 2016, the Company may redeem up to 35% of the aggregate principal amount of the 9½% Senior Notes with the net proceeds of equity offerings at a redemption price equal to 109.50% of the principal amount, plus accrued and unpaid interest. Upon a change of control (as defined in the indenture), each holder of the 9½% Senior Notes will have the right to require the Company to offer to purchase all of such holder's notes at a price equal to 101% of the principal amount, plus accrued and unpaid interest.

Credit Facility: On May 25, 2011, the Company entered into a credit agreement (the “Credit Facility”) with Wells Fargo Capital Finance, LLC (the “U.S. Lender”) and Wells Fargo Capital Finance Corporation Canada (the “Canadian Lender,” and collectively with the U.S. Lender, the “Lenders”). The Credit Facility provides a $30.0 million revolving credit facility with a Canadian sublimit of $5.0 million (Canadian), subject to borrowing base limitations based on the Company's seismic data assets and eligible accounts receivable, each as defined in the Credit Facility, calculated on a monthly basis. The Credit Facility matures on May 25, 2016. Each existing and future direct and indirect wholly-owned domestic subsidiary of the Company (collectively, the “U.S. Guarantors”) is a guarantor of payment of the U.S. obligations under the Credit Facility, and Seitel Canada Ltd. (“Seitel Canada”), a wholly-owned subsidiary of the Company, and each future direct and indirect wholly-owned Canadian subsidiary of the Company (such subsidiaries together with Seitel Canada, the “Canadian Guarantors”) are guarantors of payment of the Canadian obligations under the Credit Facility.

The borrowings under the Credit Facility are secured by a perfected first priority lien and security interest (subject to certain exceptions) in favor of the U.S. Lender in all present and future assets and equity of the Company and each U.S. Guarantor and 65% of the equity in Seitel Canada, and borrowings by Seitel Canada are secured by a perfected first priority lien and security interest (subject to certain exceptions) in favor of the Canadian Lender in all present and future assets of each Canadian Guarantor. U.S. borrowings under the Credit Facility bear interest at a rate per annum equal to, at the Company's option, either (a) the London Interbank Offered Rate (“LIBOR”) rate plus 3.50% or (b) a base rate determined by reference to the highest of (i) the federal funds rate plus ½ of 1%, (ii) the three-month LIBOR rate plus 1% and (iii) the prime rate of Wells Fargo Bank, National Association, plus 2.50%. Canadian borrowings under the Credit Facility bear interest based on a Canadian base rate, as defined in the Credit Facility.

The Credit Facility requires that the Company maintain minimum excess availability (as defined in the Credit Facility) of $10.0 million or, if such excess availability is not maintained, then the Company's fixed charge coverage ratio (as defined in the Credit Facility) may not be less than 1.00 to 1.00. In addition, the Credit Facility contains affirmative and negative covenants, representations and warranties, borrowing conditions, events of default and remedies for the Lenders. The aggregate loan or any individual loan made under the Credit Facility may be prepaid at any time subject to certain restrictions. The Credit Facility is also subject to the payment of upfront, letter of credit, administrative and certain other fees. As of September 30, 2015, the calculated borrowing base was $27.3 million; however, the availability was limited to $17.3 million to allow for the minimum excess availability required as the fixed charge coverage ratio was below 1.00 to 1.00. No amounts were outstanding under the Credit Facility as of September 30, 2015.