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| 0000763563-19-000107-index.html | 2019-11-06 17:04:11 | |
| 0000763563-19-000107.txt | 2019-11-06 17:04:11 | |
 0000763563-19-000107-xbrl.zip | 425610 | 2019-11-06 17:04:11 |
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| chmg-20190930.xml | 6506470 | 2019-11-06 17:04:11 |
| chmg-20190930.xsd | 56779 | 2019-11-06 17:04:11 |
| chmg-20190930_cal.xml | 162481 | 2019-11-06 17:04:11 |
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| chmg-20190930_lab.xml | 1009216 | 2019-11-06 17:04:11 |
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| chmg0930201910q.htm | 4689491 | 2019-11-06 17:04:11 |
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| FilingSummary.xml | 40028 | 2019-11-06 17:04:11 |
| Financial_Report.xlsx | 118832 | 2019-11-06 17:04:11 |
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| report.css | 2767 | 2019-11-06 17:04:11 |
| Show.js | 1085 | 2019-11-06 17:04:11 |