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Guarantor Financial Statements (Details Textual)
Dec. 31, 2012
Dec. 31, 2010
Guarantor financial statements (Textual) [Abstract]    
Percentage of Senior Notes due 2020 5.375% 7.125%
PHG Tea Leaves, Inc. [Member]
   
Schedule of Equity Method Investments [Line Items]    
Percentage owned in domestic subsidiaries 100.00%  
Mollanvick, Inc. [Member]
   
Schedule of Equity Method Investments [Line Items]    
Percentage owned in domestic subsidiaries 100.00%  
The Glatfelter Pulp Wood Company [Member]
   
Schedule of Equity Method Investments [Line Items]    
Percentage owned in domestic subsidiaries 100.00%  
Glatfelter Holdings, LLC [Member]
   
Schedule of Equity Method Investments [Line Items]    
Percentage owned in domestic subsidiaries 100.00%