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| 0000041719-23-000046.txt | 2023-11-02 09:09:53 | |
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| FilingSummary.xml | 1632 | 2023-11-02 09:09:53 |
| Financial_Report.xlsx | 5682 | 2023-11-02 09:09:53 |
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| glt-20231102.htm | 27394 | 2023-11-02 09:09:53 |
| glt-20231102.xsd | 1920 | 2023-11-02 09:09:53 |
| glt-20231102_htm.xml | 2789 | 2023-11-02 09:09:53 |
| glt-20231102_lab.xml | 24851 | 2023-11-02 09:09:53 |
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| q32023earningsreleaseex-991.htm | 371152 | 2023-11-02 09:09:53 |
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| report.css | 2767 | 2023-11-02 09:09:53 |
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