Condensed Consolidating Financial Information - Condensed Income Statement (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Condensed Income Statements, Captions [Line Items]
Net revenues	$ 40,578us-gaap_SalesRevenueNet	$ 144,698us-gaap_SalesRevenueNet
Cost of sales	56,366us-gaap_CostOfGoodsAndServicesSold	87,844us-gaap_CostOfGoodsAndServicesSold
Gross profit (loss)	(15,788)us-gaap_GrossProfit	56,854us-gaap_GrossProfit
Total operating expenses	30,901us-gaap_OperatingExpenses	37,183us-gaap_OperatingExpenses
Income (loss) from operations	(46,689)us-gaap_OperatingIncomeLoss	19,671us-gaap_OperatingIncomeLoss
Interest expense, net	(4,625)	(4,797)
Intercompany interest, net	0us-gaap_InterestIncomeRelatedParty	0us-gaap_InterestIncomeRelatedParty
Equity in earnings (losses) of investments	0	(1,688)
Other income (expense)	(3,219)us-gaap_OtherNonoperatingIncomeExpense	68,526us-gaap_OtherNonoperatingIncomeExpense
Income (loss) before income taxes	(54,533)	81,712
Income tax expense	983us-gaap_IncomeTaxExpenseBenefit	5,263us-gaap_IncomeTaxExpenseBenefit
Net income (loss)	(55,516)us-gaap_ProfitLoss	76,449us-gaap_ProfitLoss
Net (income) loss attributable to noncontrolling interests	252	(470)
Net income (loss) attributable to ION	(55,264)us-gaap_NetIncomeLoss	75,979us-gaap_NetIncomeLoss
Comprehensive net income (loss)	(56,861)	75,788
Comprehensive (income) loss attributable to noncontrolling interest	252	(470)
Comprehensive net income (loss) attributable to ION	(56,609)us-gaap_ComprehensiveIncomeNetOfTax	75,318us-gaap_ComprehensiveIncomeNetOfTax
Reportable Legal Entities [Member] \| ION Geophysical Corporation [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	0	0
Cost of sales	0	0
Gross profit (loss)	0	0
Total operating expenses	7,916	9,021
Income (loss) from operations	(7,916)	(9,021)
Interest expense, net	(4,551)	(4,573)
Intercompany interest, net	139	66
Equity in earnings (losses) of investments	(42,857)	89,488
Other income (expense)	(29)	497
Income (loss) before income taxes	(55,214)	76,457
Income tax expense	50	478
Net income (loss)	(55,264)	75,979
Net (income) loss attributable to noncontrolling interests	0	0
Net income (loss) attributable to ION	(55,264)	75,979
Comprehensive net income (loss)	(56,609)	75,318
Comprehensive (income) loss attributable to noncontrolling interest	0	0
Comprehensive net income (loss) attributable to ION	(56,609)	75,318
Reportable Legal Entities [Member] \| The Guarantors [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	18,849	78,122
Cost of sales	24,775	43,996
Gross profit (loss)	(5,926)	34,126
Total operating expenses	13,080	15,255
Income (loss) from operations	(19,006)	18,871
Interest expense, net	(72)	(42)
Intercompany interest, net	(657)	(435)
Equity in earnings (losses) of investments	(18,922)	3,856
Other income (expense)	15	69,911
Income (loss) before income taxes	(38,642)	92,161
Income tax expense	51	332
Net income (loss)	(38,693)	91,829
Net (income) loss attributable to noncontrolling interests	0	0
Net income (loss) attributable to ION	(38,693)	91,829
Comprehensive net income (loss)	(40,053)	91,828
Comprehensive (income) loss attributable to noncontrolling interest	0	0
Comprehensive net income (loss) attributable to ION	(40,053)	91,828
Reportable Legal Entities [Member] \| All Other Subsidiaries [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	22,135	66,576
Cost of sales	31,997	43,848
Gross profit (loss)	(9,862)	22,728
Total operating expenses	9,905	12,907
Income (loss) from operations	(19,767)	9,821
Interest expense, net	(2)	(182)
Intercompany interest, net	518	369
Equity in earnings (losses) of investments	0	738
Other income (expense)	(3,205)	(1,882)
Income (loss) before income taxes	(22,456)	8,864
Income tax expense	882	4,453
Net income (loss)	(23,338)	4,411
Net (income) loss attributable to noncontrolling interests	252	(470)
Net income (loss) attributable to ION	(23,086)	3,941
Comprehensive net income (loss)	(24,698)	4,901
Comprehensive (income) loss attributable to noncontrolling interest	252	(470)
Comprehensive net income (loss) attributable to ION	(24,446)	4,431
Consolidation, Eliminations [Member]
Condensed Income Statements, Captions [Line Items]
Net revenues	(406)	0
Cost of sales	(406)	0
Gross profit (loss)	0	0
Total operating expenses	0	0
Income (loss) from operations	0	0
Interest expense, net	0	0
Intercompany interest, net	0	0
Equity in earnings (losses) of investments	61,779	(95,770)
Other income (expense)	0	0
Income (loss) before income taxes	61,779	(95,770)
Income tax expense	0	0
Net income (loss)	61,779	(95,770)
Net (income) loss attributable to noncontrolling interests	0	0
Net income (loss) attributable to ION	61,779	(95,770)
Comprehensive net income (loss)	64,499	(96,259)
Comprehensive (income) loss attributable to noncontrolling interest	0	0
Comprehensive net income (loss) attributable to ION	$ 64,499	$ (96,259)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Other Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=6519514

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Comprehensive Income

-URI http://asc.fasb.org/extlink&oid=35737396

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 220

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=36458714&loc=d3e557-108580

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Net Income

-URI http://asc.fasb.org/extlink&oid=6518256