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Gains on Disposition of Plant, Equipment and Timberlands | 3 Months Ended
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Mar. 31, 2019
Property Plant And Equipment [Abstract] |
Gains on Disposition of Plant, Equipment and Timberlands |
6. | GAINS ON DISPOSITION OF PLANT, EQUIPMENT AND TIMBERLANDS
During the first three months of 2019 and 2018 we completed the following sales of timberlands and other assets:
Dollars in thousands |  | Acres |  |  | Proceeds |  |  | Gain (loss) |  |
2019 |  |  |  |  |  |  |  |  |  |  |  |  |
Timberlands |  |  | 218 |  |  | $ | 475 |  |  | $ | 458 |  |
Other |  | n/a |  |  |  | 214 |  |  |  | 211 |  |
Total |  |  |  |  |  | $ | 689 |  |  | $ | 669 |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |
Timberlands |  |  | 426 |  |  | $ | 1,156 |  |  | $ | 1,115 |  |
Other |  | n/a |  |  |  | 1 |  |  |  | 1 |  |
Total |  |  |  |  |  | $ | 1,157 |  |  | $ | 1,116 |  |

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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