Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000780571-23-000016-index-headers.html | 2023-05-04 11:30:30 | |
| 0000780571-23-000016-index.html | 2023-05-04 11:30:30 | |
| 0000780571-23-000016.txt | 2023-05-04 11:30:30 | |
 0000780571-23-000016-xbrl.zip | 314610 | 2023-05-04 11:30:30 |
| FilingSummary.xml | 50125 | 2023-05-04 11:30:30 |
| Financial_Report.xlsx | 120138 | 2023-05-04 11:30:30 |
| itri-20230331.htm | 1979203 | 2023-05-04 11:30:30 |
| itri-20230331.xsd | 55608 | 2023-05-04 11:30:30 |
| itri-20230331_cal.xml | 104495 | 2023-05-04 11:30:30 |
| itri-20230331_def.xml | 291624 | 2023-05-04 11:30:30 |
| itri-20230331_htm.xml | 1803024 | 2023-05-04 11:30:30 |
| itri-20230331_lab.xml | 738420 | 2023-05-04 11:30:30 |
| itri-20230331_pre.xml | 513318 | 2023-05-04 11:30:30 |
| itriex-31103312023.htm | 11498 | 2023-05-04 11:30:30 |
| itriex-31203312023.htm | 11529 | 2023-05-04 11:30:30 |
| itriex-32103312023.htm | 7259 | 2023-05-04 11:30:30 |
| MetaLinks.json | 895748 | 2023-05-04 11:30:30 |
| R1.htm | 51519 | 2023-05-04 11:30:30 |
| R10.htm | 42646 | 2023-05-04 11:30:30 |
| R11.htm | 53204 | 2023-05-04 11:30:30 |
| R12.htm | 16409 | 2023-05-04 11:30:30 |
| R13.htm | 34897 | 2023-05-04 11:30:30 |
| R14.htm | 6893 | 2023-05-04 11:30:30 |
| R15.htm | 29794 | 2023-05-04 11:30:30 |
| R16.htm | 78025 | 2023-05-04 11:30:30 |
| R17.htm | 26150 | 2023-05-04 11:30:30 |
| R18.htm | 42465 | 2023-05-04 11:30:30 |
| R19.htm | 71071 | 2023-05-04 11:30:30 |
| R2.htm | 105561 | 2023-05-04 11:30:30 |
| R20.htm | 76415 | 2023-05-04 11:30:30 |
| R21.htm | 22174 | 2023-05-04 11:30:30 |
| R22.htm | 71447 | 2023-05-04 11:30:30 |
| R23.htm | 18626 | 2023-05-04 11:30:30 |
| R24.htm | 18898 | 2023-05-04 11:30:30 |
| R25.htm | 17543 | 2023-05-04 11:30:30 |
| R26.htm | 51251 | 2023-05-04 11:30:30 |
| R27.htm | 56955 | 2023-05-04 11:30:30 |
| R28.htm | 18959 | 2023-05-04 11:30:30 |
| R29.htm | 21304 | 2023-05-04 11:30:30 |
| R3.htm | 42065 | 2023-05-04 11:30:30 |
| R30.htm | 26824 | 2023-05-04 11:30:30 |
| R31.htm | 79338 | 2023-05-04 11:30:30 |
| R32.htm | 17502 | 2023-05-04 11:30:30 |
| R33.htm | 41785 | 2023-05-04 11:30:30 |
| R34.htm | 69281 | 2023-05-04 11:30:30 |
| R35.htm | 69286 | 2023-05-04 11:30:30 |
| R36.htm | 17365 | 2023-05-04 11:30:30 |
| R37.htm | 66572 | 2023-05-04 11:30:30 |
| R38.htm | 11172 | 2023-05-04 11:30:30 |
| R39.htm | 6703 | 2023-05-04 11:30:30 |
| R4.htm | 125919 | 2023-05-04 11:30:30 |
| R40.htm | 14736 | 2023-05-04 11:30:30 |
| R41.htm | 38478 | 2023-05-04 11:30:30 |
| R42.htm | 4804 | 2023-05-04 11:30:30 |
| R43.htm | 13853 | 2023-05-04 11:30:30 |
| R44.htm | 8750 | 2023-05-04 11:30:30 |
| R45.htm | 9220 | 2023-05-04 11:30:30 |
| R46.htm | 10773 | 2023-05-04 11:30:30 |
| R47.htm | 12002 | 2023-05-04 11:30:30 |
| R48.htm | 19234 | 2023-05-04 11:30:30 |
| R49.htm | 4767 | 2023-05-04 11:30:30 |
| R5.htm | 17548 | 2023-05-04 11:30:30 |
| R50.htm | 31903 | 2023-05-04 11:30:30 |
| R51.htm | 10445 | 2023-05-04 11:30:30 |
| R52.htm | 16806 | 2023-05-04 11:30:30 |
| R53.htm | 15788 | 2023-05-04 11:30:30 |
| R54.htm | 22235 | 2023-05-04 11:30:30 |
| R55.htm | 50002 | 2023-05-04 11:30:30 |
| R56.htm | 17149 | 2023-05-04 11:30:30 |
| R57.htm | 21793 | 2023-05-04 11:30:30 |
| R58.htm | 14811 | 2023-05-04 11:30:30 |
| R59.htm | 14019 | 2023-05-04 11:30:30 |
| R6.htm | 58163 | 2023-05-04 11:30:30 |
| R60.htm | 21018 | 2023-05-04 11:30:30 |
| R61.htm | 23200 | 2023-05-04 11:30:30 |
| R62.htm | 16093 | 2023-05-04 11:30:30 |
| R63.htm | 51536 | 2023-05-04 11:30:30 |
| R64.htm | 38873 | 2023-05-04 11:30:30 |
| R65.htm | 15522 | 2023-05-04 11:30:30 |
| R66.htm | 12971 | 2023-05-04 11:30:30 |
| R67.htm | 7408 | 2023-05-04 11:30:30 |
| R68.htm | 28405 | 2023-05-04 11:30:30 |
| R69.htm | 18346 | 2023-05-04 11:30:30 |
| R7.htm | 95078 | 2023-05-04 11:30:30 |
| R70.htm | 4125 | 2023-05-04 11:30:30 |
| R71.htm | 46810 | 2023-05-04 11:30:30 |
| R72.htm | 8891 | 2023-05-04 11:30:30 |
| R73.htm | 24744 | 2023-05-04 11:30:30 |
| R74.htm | 31795 | 2023-05-04 11:30:30 |
| R75.htm | 46539 | 2023-05-04 11:30:30 |
| R76.htm | 47648 | 2023-05-04 11:30:30 |
| R77.htm | 17924 | 2023-05-04 11:30:30 |
| R78.htm | 4304 | 2023-05-04 11:30:30 |
| R79.htm | 45343 | 2023-05-04 11:30:30 |
| R8.htm | 20436 | 2023-05-04 11:30:30 |
| R80.htm | 14049 | 2023-05-04 11:30:30 |
| R81.htm | 13302 | 2023-05-04 11:30:30 |
| R82.htm | 13849 | 2023-05-04 11:30:30 |
| R83.htm | 7787 | 2023-05-04 11:30:30 |
| R84.htm | 10936 | 2023-05-04 11:30:30 |
| R9.htm | 23146 | 2023-05-04 11:30:30 |
| report.css | 2767 | 2023-05-04 11:30:30 |
| Show.js | 1085 | 2023-05-04 11:30:30 |