Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (78,298)	$ (56,877)	$ 52,415
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(26,923)	21,082	(2,953)
Foreign currency translation adjustment reclassified to net income (loss) on sale of business	0	52,074	2,443
Net unrealized gain (loss) on derivative instruments, designated as cash flow hedges	1,411	(898)	(1,924)
Pension benefit obligation adjustment	(15,940)	6,112	5,933
Total other comprehensive income (loss), net of tax	(9,572)	66,146	(8,367)
Total comprehensive income (loss), net of tax	(87,870)	9,269	44,048
Comprehensive income attributable to noncontrolling interests, net of tax	2,957	1,078	3,409
Comprehensive income (loss) attributable to Itron, Inc.	$ (90,827)	$ 8,191	$ 40,639