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Comprehensive income (loss) (Tables) | 12 Months Ended
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Dec. 31, 2013
Stockholders' Equity Note [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The components of accumulated other comprehensive income (loss) as of December 31, 2013 and 2012, and reclassifications out of other comprehensive income (loss) for the years then ended, are presented below (in thousands):
|  |  |  |  |  |  |  | Accumulated Other |
|  | Pension Liability |  | Fair Value of |  | Comprehensive |
|  | Adjustment |  | Derivatives |  | Income (Loss) |
Balance at January 1, 2013 |  | $ | (43) |  | $ | 80 |  | $ | 37 |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |
Net change from periodic revaluations, net of taxes |  |  | (185) |  |  | 789 |  |  | 604 |
Total other comprehensive income (loss) before reclassifications, net of taxes |  |  | (228) |  |  | 869 |  |  | 641 |
Net amount reclassified to earnings |  |  | 112 |  |  | (1,445) |  |  | (1,333) |
Balance at December 31, 2013 |  | $ | (116) |  | $ | (576) |  | $ | (692) |
|  |  |  |  |  |  |  | Accumulated Other |
|  | Pension Liability |  | Fair Value of |  | Comprehensive |
|  | Adjustment |  | Derivatives |  | Income (Loss) |
Balance at January 1, 2012 |  | $ | 95 |  | $ | (1,122) |  | $ | (1,027) |
Other comprehensive income (loss): |  |  |  |  |  |  |  |  |  |
Net change from periodic revaluations, net of taxes |  |  | (228) |  |  | 2,143 |  |  | 1,915 |
Total other comprehensive income (loss) before reclassifications, net of taxes |  |  | (133) |  |  | 1,021 |  |  | 888 |
Net amount reclassified to earnings |  |  | 90 |  |  | (941) |  |  | (851) |
Balance at December 31, 2012 |  | $ | (43) |  | $ | 80 |  | $ | 37 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 + Details
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- Details
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