Consolidated Statements of Operations - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total revenues	$ 1,981,572,000	$ 2,173,350,000	$ 2,502,470,000
Total cost of revenues	1,408,403,000	1,571,183,000	1,750,151,000
Gross profit	573,169,000	602,167,000	752,319,000
Operating expenses
Sales, general and administrative	300,520,000	276,920,000	346,872,000
Research and development	197,235,000	194,101,000	202,200,000
Amortization of intangible assets	35,801,000	44,711,000	64,286,000
Restructuring	54,623,000	37,013,000	6,278,000
Gain (Loss) on Disposition of Other Assets	64,289,000	59,817,000	0
Total operating expenses	652,468,000	612,562,000	619,636,000
Operating income (loss)	(79,299,000)	(10,395,000)	132,683,000
Other income (expense)
Interest income	1,557,000	2,998,000	1,849,000
Interest expense	(28,638,000)	(44,001,000)	(52,453,000)
Other income (expense), net	(17,430,000)	(5,241,000)	(9,047,000)
Total other income (expense)	(44,511,000)	(46,244,000)	(59,651,000)
Total income (loss) before income taxes	(123,810,000)	(56,639,000)	73,032,000
Income tax benefit (provision)	45,512,000	(238,000)	(20,617,000)
Net income (loss)	(78,298,000)	(56,877,000)	52,415,000
Net income attributable to noncontrolling interests	2,957,000	1,078,000	3,409,000
Net income (loss) attributable to Itron, Inc.	$ (81,255,000)	$ (57,955,000)	$ 49,006,000
Earnings (loss) per common share - Basic (in dollars per share)	$ (1.83)	$ (1.44)	$ 1.24
Earnings (loss) per common share - Diluted (in dollars per share)	$ (1.83)	$ (1.44)	$ 1.23
Weighted average common shares outstanding - Basic (in shares)	44,301	40,253	39,556
Weighted average common shares outstanding - Diluted (in shares)	44,301	40,253	39,980
Product revenues
Total revenues	$ 1,678,195,000	$ 1,889,173,000	$ 2,220,395,000
Total cost of revenues	1,231,230,000	1,408,615,000	1,587,710,000
Service revenues
Total revenues	303,377,000	284,177,000	282,075,000
Total cost of revenues	$ 177,173,000	$ 162,568,000	$ 162,441,000