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Debt Obligations (Tables) | 12 Months Ended
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Dec. 31, 2012
Debt Obligations |
Schedule of principal payments and amounts due at maturity | The following table represents our long term contractual obligations (scheduled principal payments and amounts due at maturity) as of December 31, 2012, and excludes the effects of interest (in thousands):
|  | Total |  | 2013 |  | 2014 |  | 2015 |  | 2016 |  | 2017 |  | Thereafter |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Bank borrowings |  | $ | 115,500 | (1) | $ | — |  | $ | — |  | $ | — |  | $ | 115,500 |  | $ | — |  | $ | — |
Senior unsecured notes |  |  | 185,800 |  |  | — |  |  | 4,167 |  |  | 29,166 |  |  | 16,667 |  |  | 14,167 |  |  | 121,633 |
Bonds payable |  |  | 2,635 |  |  | 600 |  |  | 635 |  |  | 1,400 |  |  | — |  |  | — |  |  | — |
|  | $ | 303,935 |  | $ | 600 |  | $ | 4,802 |  | $ | 30,566 |  | $ | 132,167 |  | $ | 14,167 |  | $ | 121,633 |
(1) At December 31, 2012 we had $124,500 available for borrowing under our Unsecured Credit Agreement. During January 2013, we borrowed $2,000 under our Unsecured Credit Agreement. After this borrowing, we had $117,500 outstanding and $122,500 available for borrowing.

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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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