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| 0001140361-23-048627-index.html | 2023-10-18 12:52:23 | |
| 0001140361-23-048627.txt | 2023-10-18 12:52:23 | |
 0001140361-23-048627-xbrl.zip | 11308 | 2023-10-18 12:52:23 |
| ef20012786_8k.htm | 29971 | 2023-10-18 12:52:23 |
| ef20012786_8k_htm.xml | 4051 | 2023-10-18 12:52:23 |
| ef20012786_ex99-1.htm | 5918 | 2023-10-18 12:52:23 |
| FilingSummary.xml | 1721 | 2023-10-18 12:52:23 |
| Financial_Report.xlsx | 5707 | 2023-10-18 12:52:23 |
| gcbc-20231018.xsd | 3904 | 2023-10-18 12:52:23 |
| gcbc-20231018_lab.xml | 22546 | 2023-10-18 12:52:23 |
| gcbc-20231018_pre.xml | 16070 | 2023-10-18 12:52:23 |
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| R1.htm | 38098 | 2023-10-18 12:52:23 |
| report.css | 2767 | 2023-10-18 12:52:23 |
| Show.js | 1085 | 2023-10-18 12:52:23 |