Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 2,483	$ (70,737)	$ 78,932	$ (68,938)
Other comprehensive income (loss), net of taxes, as appropriate:
Foreign currency translation adjustments	2,635	597	3,121	(3,044)
Equity interest in investees' other comprehensive loss	(690)	(526)	(1,863)	(549)
Other changes in other comprehensive income	0	347	26	355
Total other comprehensive income (loss), net of taxes	1,945	418	1,284	(3,238)
Comprehensive net income (loss)	4,428	(70,319)	80,216	(72,176)
Comprehensive (income) loss attributable to noncontrolling interest	(1,295)	(59)	(1,765)	17
Comprehensive net income (loss) attributable to ION	$ 3,133	$ (70,378)	$ 78,451	$ (72,159)