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Senior debt (Tables) | 12 Months Ended
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Dec. 31, 2015
Debt Disclosure [Abstract] |
Summary of Debt | Debt consisted of the following at December 31, 2015 and 2014:
(Table only in thousands) |  | December 31, 2015 |  |  | December 31, 2014 |
Outstanding borrowings under Credit Facility (defined below). Term loan payable in quarterly principal installments of $3.2 million through September 2017, $4.3 million through September 2018, and $5.3 million thereafter with balance due upon maturity in September 2020. |  |  |  |  |  |  |  |
– Term loan |  | $ | 166,813 |  |  | $ | 90,072 |
– U.S. Dollar revolving loans |  |  | 8,000 |  |  |  | 24,000 |
– Multi-currency revolving loans |  |  | — |  |  |  | — |
– Unamortized debt discount |  |  | (4,229 | ) |  |  | (2,368 | )
Total outstanding borrowings under Credit Facility |  |  | 170,584 |  |  |  | 111,704 |
Outstanding borrowings (U.S. dollar equivalent) under China Facility (defined below) |  |  | 1,391 |  |  |  | — |
Outstanding borrowings (U.S. dollar equivalent) under Aarding Facility (defined below) |  |  | 5,326 |  |  |  | — |
Outstanding borrowings (U.S. dollar equivalent) under Euro-denominated note payable to a bank, payable in quarterly installments of €25,000 ($27,000 as of December 31, 2015), plus interest, at a fixed rate of 3.82%, maturing January 2016. Collateralized by the Heerenveen, Netherlands building. |  |  | 27 |  |  |  | 152 |
Total outstanding borrowings |  | $ | 177,328 |  |  | $ | 111,856 |
Less: current portion |  |  | 19,494 |  |  |  | 8,887 |
Total debt, less current portion |  | $ | 157,834 |  |  | $ | 102,969 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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