Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (62,487)	$ 20,117	$ (53,325)	$ 19,968
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	11,310	5,187	(14,135)	2,801
Foreign currency translation adjustment reclassified to net income on sale of business	52,088	0	52,088	0
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges	(1,389)	(1,634)	(2,156)	(1,499)
Pension benefit obligation adjustment	47	183	1,048	654
Total other comprehensive income (loss), net of tax	62,056	3,736	36,845	1,956
Total comprehensive income (loss), net of tax	(431)	23,853	(16,480)	21,924
Comprehensive income attributable to noncontrolling interests, net of tax	315	671	793	2,429
Comprehensive income (loss) attributable to Itron, Inc.	$ (746)	$ 23,182	$ (17,273)	$ 19,495