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Subsequent Events (Details) | 3 Months Ended |  | 3 Months Ended
--- | --- | --- | ---
Mar. 31, 2013 USD ($) | Mar. 31, 2012 USD ($) | Dec. 31, 2012 | Mar. 31, 2013 Subsequent Event [Member] Dresden Papier GmbH [Member] USD ($) Employees Mg | Mar. 31, 2013 Subsequent Event [Member] IKB Loan [Member] EUR (€) Installment
Subsequent Events (Textual) [Abstract] |  |  |  |  |
Aggregate principal amount |  |  |  |  | € 42,700,000
Number of installments |  |  |  |  | 32
Installments beginning date |  |  |  |  | Jun. 30, 2015
Installments ending date |  |  |  |  | Mar. 31, 2023
Percentage of aggregate principal amount of outstanding | 5.375% |  | 5.375% |  | 2.05%
Payment made for acquisition |  |  |  | 210,000,000 |
Revenues | $ 406,290,000 | $ 399,213,000 |  | $ 149,700,000 |
Number of employees |  |  |  | 146 |
Manufacturing capacity |  |  |  | 60,000 |

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