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Acquisition of OceanGeo (Tables)
 12 Months Ended
Dec. 31, 2016
Business Combinations [Abstract]  
Business Acquisition, Pro Forma Information
Amounts presented below are in thousands, except for the per share amounts:
Pro forma Consolidated ION Income Statement Information (Unaudited)
 
December 31,
2014
Net revenues
 
$
518,742

Loss from operations
 
$
(114,346
)
Net loss
 
$
(126,492
)
Net loss applicable to common shares
 
$
(127,226
)
Basic and diluted net loss per common share
 
$
(11.70
)