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Gain on Dispositions of Plant, Equipment and Timberlands | 6 Months Ended
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Jun. 30, 2021
Property Plant And Equipment [Abstract] |
Gain on Dispositions of Plant, Equipment and Timberlands |
7. | GAINS ON DISPOSITION OF PLANT, EQUIPMENT AND TIMBERLANDS
The following table sets forth sales of timberlands and other assets completed during the first six months of 2021 and 2020:
Dollars in thousands |  | Acres |  |  | Proceeds |  |  | Gain |  |
2021 |  |  |  |  |  |  |  |  |  |  |  |  |
Timberlands |  | 936 |  |  | $ | 2,510 |  |  | $ | 2,403 |  |
Other |  | n/a |  |  |  | — |  |  |  | — |  |
Total |  |  |  |  |  | $ | 2,510 |  |  | $ | 2,403 |  |
2020 |  |  |  |  |  |  |  |  |  |  |  |  |
Timberlands |  |  | 216 |  |  | $ | 613 |  |  | $ | 601 |  |
Other |  | n/a |  |  |  | — |  |  |  | (4 | ) |
Total |  |  |  |  |  | $ | 613 |  |  | $ | 597 |  |

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- Definition The entire disclosure of the sale of timberlands and other assets. This may include, but not limited to acres sold, net proceeds and gains or losses. + References No definition available. + Details
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Namespace Prefix: | glt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration