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|---|---|---|
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| 0000763563-22-000040-index.html | 2022-05-12 14:16:21 | |
| 0000763563-22-000040.txt | 2022-05-12 14:16:21 | |
 0000763563-22-000040-xbrl.zip | 549688 | 2022-05-12 14:16:21 |
| chmg-20220331.htm | 3904319 | 2022-05-12 14:16:21 |
| chmg-20220331.xsd | 57797 | 2022-05-12 14:16:21 |
| chmg-20220331_cal.xml | 150643 | 2022-05-12 14:16:21 |
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| chmg-20220331_htm.xml | 3633580 | 2022-05-12 14:16:21 |
| chmg-20220331_lab.xml | 863633 | 2022-05-12 14:16:21 |
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| chmg10q03312022exh31-2.htm | 8480 | 2022-05-12 14:16:21 |
| chmg10q03312022exh32-1.htm | 4065 | 2022-05-12 14:16:21 |
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| FilingSummary.xml | 41203 | 2022-05-12 14:16:21 |
| Financial_Report.xlsx | 118762 | 2022-05-12 14:16:21 |
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| R1.htm | 52342 | 2022-05-12 14:16:21 |
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| report.css | 2767 | 2022-05-12 14:16:21 |
| Show.js | 1085 | 2022-05-12 14:16:21 |