Debt Conversion, Original Debt, Percentage Accepted In Exchange Of Outstanding Principal Amount

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- Definition

Debt Instrument, Basis Spread on Variable Rate, Increase (Decrease)

+ References

No definition available.

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- Definition

Debt Instrument, Covenant Compliance, Required Liquidity, Maintained Any Business Day

+ References

No definition available.

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- Definition

Debt Instrument, Covenant Compliance, Required Liquidity, Maintained Five Consecutive Business Days

+ References

No definition available.

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- Definition

Debt Instrument, Debt Exchange, Conversion Ratio

+ References

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- Definition

Debt Instrument, Debt Exchange, Ratio Of Principal To Common Stock Shares

+ References

No definition available.

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- Definition

Debt Instrument, Number Of Days Early Commitment Termination Date And Early Maturity Date, Eliminated By Amendment

+ References

No definition available.

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- Definition

Debt Instrument, Number Of Days Prior To Stated Maturity Borrowing Capacity Reduced By Reserve

+ References

No definition available.

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- Definition

Debt Instrument, Percentage Of Ownership Interest In Subsidiaries Subject To First Priority Security Interest

+ References

No definition available.

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- Definition

Debt Instrument, Restrictive Covenants, Threshold For Liquidation, Value Of Multi-Client Data Library

+ References

No definition available.

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- Definition

Fixed charge coverage ratio.

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No definition available.

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- Definition

Line Of Credit Facility, Covenant Terms, Maximum Amount Of Permitted Junior Debt

+ References

No definition available.

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- Definition

The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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- Definition

The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Face (par) amount of the original debt instrument that was repurchased.

+ References

No definition available.

+ Details

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- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount of long-term debt and capital lease obligations including current maturities.

+ References

No definition available.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
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-Paragraph 15
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-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

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Long-term Debt - Narrative (Details)		3 Months Ended
Long-term Debt - Narrative (Details)	Apr. 28, 2016 USD ($) $ / shares shares	Mar. 31, 2016 USD ($)	Mar. 31, 2015 USD ($)	Dec. 31, 2015 USD ($)	May. 31, 2013 USD ($)
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 181,343,000		$ 182,992,000
Principal purchased for cash		$ 2,212,000	$ 2,066,000
Senior notes [Member]
Debt Instrument [Line Items]
Stated rate on debt		8.125%
Aggregate principal amount of debt		$ 175,000,000		$ 175,000,000
Senior notes [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt	$ 149,066,000
Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member]
Debt Instrument [Line Items]
Current borrowing capacity		25,800,000
Maximum amount of certain permitted junior indebtedness		175,000,000
Maximum amount of certain indebtedness		40,000,000
Limit for multi-client liquidation component		15,000,000.0
Required liquidity maintained five consecutive business days		7,500,000.0
Required liquidity maintained any business day		$ 6,500,000.0
Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Fixed charge coverage ratio		1.1
Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Increase in applicable margin due to amendment to Credit Facility	0.50%
Number of days prior to stated maturity borrowing capacity reduced by reserve	90 days
Maximum amount of certain permitted junior indebtedness	$ 200,000,000
Number of days early commitment termination date and early maturity date, eliminated by amendment	90 days
Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member] \| Conversion Of Third Lien Notes For Second Lien Notes [Member]
Debt Instrument [Line Items]
Debt exchange conversion ratio	1
Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member] \| Debt Conversion, Prior To Extended Early Tender Deadline [Member]
Debt Instrument [Line Items]
Debt exchange, ratio of principal to common stock shares (in dollars per share) \| $ / shares	$ 100
Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member] \| Debt Conversion, After Extended Early Tender Deadline [Member]
Debt Instrument [Line Items]
Debt exchange, ratio of principal to common stock shares (in dollars per share) \| $ / shares	$ 142.86
Senior secured third-priority notes (maturing May 15, 2018) [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Principal amount of debt					$ 175,000,000
Stated rate on debt					8.125%
Aggregate principal amount of debt		$ 0
Senior secured third-priority notes (maturing May 15, 2018) [Member] \| Senior notes [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt	$ 28,497,000
Principal purchased for cash	15,000,000
Amount of debt converted	$ 146,500,000
Percentage of original debt accepted In exchange of outstanding principal of new debt	83.72%
Amount of debt purchased	$ 25,900,000
Senior secured second-priority notes (maturing December 15, 2021) [Member] \| Senior notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount of debt		$ 175,000,000
Senior secured second-priority notes (maturing December 15, 2021) [Member] \| Senior notes [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Stated rate on debt	9.125%
Aggregate principal amount of debt	$ 120,569,000
Senior secured second-priority notes (maturing December 15, 2021) [Member] \| Senior notes [Member] \| Subsequent event [Member] \| Conversion Of Common Stock For Second Lien Notes [Member]
Debt Instrument [Line Items]
Debt converted for shares, issued shares \| shares	1,205,477
Senior secured second-priority notes (maturing December 15, 2021) [Member] \| Senior notes [Member] \| Subsequent event [Member] \| Early Stock Consideration [Member]
Debt Instrument [Line Items]
Debt converted for shares, issued shares \| shares	1,204,980
Senior secured second-priority notes (maturing December 15, 2021) [Member] \| Senior notes [Member] \| Subsequent event [Member] \| Stock Consideration [Member]
Debt Instrument [Line Items]
Debt converted for shares, issued shares \| shares	497
Senior secured second-priority notes (maturing December 15, 2021) [Member] \| Senior notes [Member] \| Subsequent event [Member] \| Treasury Stock [Member] \| Conversion Of Common Stock For Second Lien Notes [Member]
Debt Instrument [Line Items]
Debt converted for shares, issued shares \| shares	508,464
Base Rate [Member] \| Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate for debt		2.50%
Base Rate [Member] \| Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Basis spread on variable rate for debt	3.00%
London Interbank Offered Rate (LIBOR) [Member] \| Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member]
Debt Instrument [Line Items]
Basis spread on variable rate for debt		3.50%
London Interbank Offered Rate (LIBOR) [Member] \| Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Basis spread on variable rate for debt	4.00%
Subsidiary Issuer [Member] \| Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Percentage of obligations secured by stock of Subsidiary Borrowers	100.00%
ION International Holdings L.P. [Member] \| Line of credit [Member] \| Revolving line of credit [Member] \| PNC Bank, National Association (PNC) [Member] \| Subsequent event [Member]
Debt Instrument [Line Items]
Percentage of obligations secured by stock of Subsidiary Borrowers	65.00%