Condensed Consolidating Financial Information - Condensed Cash Flow Statement (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Cash flows from operating activities:
Net cash provided by (used in) operating activities	$ 2,479	$ (6,706)
Cash flows from investing activities:
Cash invested in multi-client data library	(6,327)	(9,088)
Purchase of property, plant, equipment and seismic rental equipment	(266)	(11,994)
Other investing activities	0	257
Net cash used in investing activities	(6,593)	(20,825)
Cash flows from financing activities:
Payments under revolving line of credit	(964)
Payments on notes payable and long-term debt	(2,212)	(2,066)
Cost associated with issuance of notes	(1,315)	0
Intercompany lending	0	0
Other financing activities	13	31
Net cash used in financing activities	(4,478)	(2,035)
Effect of change in foreign currency exchange rates on cash and cash equivalents	329	396
Net decrease in cash and cash equivalents	(8,263)	(29,170)
Cash and cash equivalents at beginning of period	84,933	173,608
Cash and cash equivalents at end of period	76,670	144,438
Reportable Legal Entities [Member] | ION Geophysical Corporation [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities	(8,953)	(62,480)
Cash flows from investing activities:
Cash invested in multi-client data library	0	0
Purchase of property, plant, equipment and seismic rental equipment	0	(329)
Other investing activities		0
Net cash used in investing activities	0	(329)
Cash flows from financing activities:
Payments under revolving line of credit	(964)
Payments on notes payable and long-term debt	(167)	0
Cost associated with issuance of notes	(1,315)
Intercompany lending	4,749	26,968
Other financing activities	13	31
Net cash used in financing activities	2,316	26,999
Effect of change in foreign currency exchange rates on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	(6,637)	(35,810)
Cash and cash equivalents at beginning of period	33,734	109,514
Cash and cash equivalents at end of period	27,097	73,704
Reportable Legal Entities [Member] | The Guarantors [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities	(3,804)	41,328
Cash flows from investing activities:
Cash invested in multi-client data library	(6,327)	(9,055)
Purchase of property, plant, equipment and seismic rental equipment	(266)	(1,133)
Other investing activities		257
Net cash used in investing activities	(6,593)	(9,931)
Cash flows from financing activities:
Payments under revolving line of credit	0
Payments on notes payable and long-term debt	(1,859)	(1,725)
Cost associated with issuance of notes	0
Intercompany lending	12,256	(29,672)
Other financing activities	0	0
Net cash used in financing activities	10,397	(31,397)
Effect of change in foreign currency exchange rates on cash and cash equivalents	0	0
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents at beginning of period	0	0
Cash and cash equivalents at end of period	0	0
Reportable Legal Entities [Member] | All Other Subsidiaries [Member]
Cash flows from operating activities:
Net cash provided by (used in) operating activities	15,236	14,446
Cash flows from investing activities:
Cash invested in multi-client data library	0	(33)
Purchase of property, plant, equipment and seismic rental equipment	0	(10,532)
Other investing activities		0
Net cash used in investing activities	0	(10,565)
Cash flows from financing activities:
Payments under revolving line of credit	0
Payments on notes payable and long-term debt	(186)	(341)
Cost associated with issuance of notes	0
Intercompany lending	(17,005)	2,704
Other financing activities	0	0
Net cash used in financing activities	(17,191)	2,363
Effect of change in foreign currency exchange rates on cash and cash equivalents	329	396
Net decrease in cash and cash equivalents	(1,626)	6,640
Cash and cash equivalents at beginning of period	51,199	64,094
Cash and cash equivalents at end of period	49,573	$ 70,734
Consolidation, Eliminations [Member]
Cash flows from financing activities:
Cash and cash equivalents at beginning of period	0
Cash and cash equivalents at end of period	$ 0