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Guarantor Financial Statements (Details Textual) | Mar. 31, 2013 | Dec. 31, 2012
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Guarantor financial statements (Textual) [Abstract] |  |
Interest rate on notes guaranteed | 5.375% | 5.375%
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% |

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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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