XML 28 R10.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Gains (Losses) on Dispositions of Plant, Equipment and Timberlands | 3 Months Ended
--- | ---
Mar. 31, 2018
Property Plant And Equipment [Abstract] |
Gains (Losses) on Dispositions of Plant, Equipment and Timberlands |
4. | GAINS (LOSSES) ON DISPOSITION OF PLANT, EQUIPMENT AND TIMBERLANDS
During the three months ended March 31, 2018 and 2017 we completed the following sales of assets:
Dollars in thousands |  | Acres |  |  | Proceeds |  |  | Gain (loss) |  |
2018 |  |  |  |  |  |  |  |  |  |  |  |  |
Timberlands |  |  | 426 |  |  | $ | 1,156 |  |  | $ | 1,115 |  |
Other |  | n/a |  |  |  | 539 |  |  |  | 439 |  |
Total |  |  |  |  |  | $ | 1,695 |  |  | $ | 1,554 |  |
2017 |  |  |  |  |  |  |  |  |  |  |  |  |
Other |  | n/a |  |  | $ | - |  |  | $ | (32 | ) |
Total |  |  |  |  |  | $ | - |  |  | $ | (32 | ) |

X
- 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
Name: | glt_GainsLossesOnDispositionsOfPlantEquipmentAndTimberlandsTextBlock
Namespace Prefix: | glt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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