Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 9,162	$ (149)
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(25,445)	(2,386)
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges	(767)	135
Pension benefit obligation adjustment	1,001	471
Total other comprehensive income (loss), net of tax	(25,211)	(1,780)
Total comprehensive income (loss), net of tax	(16,049)	(1,929)
Comprehensive income attributable to noncontrolling interests, net of tax	478	1,758
Comprehensive income (loss) attributable to Itron, Inc.	$ (16,527)	$ (3,687)