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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2015
Long-Term Debt Covenants [Abstract] |
Bank Loans |
|  | Bank Loans |  |  | As of December 31, 2015 |  |  | As of December 31, 2014 |  |  | Margin
(i) |  | Issued in April, 2007 maturing in December, 2019 - $370,000 credit facility (the “2007 credit facility”) |  |  | $ | 185,975 |  |  | $ | 250,850 |  |  |  | 3.00%
(ii) |  | Issued in March, 2008 maturing in December, 2019 - 2008 credit facility |  |  | $ | 181,641 |  |  | $ | 233,065 |  |  |  | 3.00%
(iii) |  | Issued in June 2011 maturing in March 2018 - $25,000 credit facility (the “2011 credit facility”) |  |  | $ | 14,000 |  |  | $ | 19,000 |  |  |  | 3.25%
(iv) |  | Issued in September 2013 maturing in December 2020 - 2013 credit facility |  |  | $ | 190,000 |  |  | $ | 75,000 |  |  |  | 3.50%
|  | Total long-term debt |  |  | $ | 571,616 |  |  | $ | 577,915 |  |  |  |
|  | Less: Deferred loan issuance costs |  |  |  | 3,806 |  |  |  | 3,242 |  |  |  |
|  | Total long-term debt, net |  |  | $ | 567,810 |  |  | $ | 574,673 |  |  |  |
|  | Less: Current portion of long-term debt |  |  |  | 12,957 |  |  |  | 5,400 |  |  |  |
|  | Add: Current portion of deferred loan issuance costs |  |  |  | 1,035 |  |  |  | 821 |  |  |  |
|  | Long-term debt, net |  |  | $ | 555,888 |  |  | $ | 570,094 |  |  |  |
Required Annual Loan Payments |
|  | 2007 Credit Facility (i) |  |  | 2008 Credit Facility (ii) |  |  | 2011 Credit Facility (iii) |  |  | 2013 Credit Facility (iv) |  |  | Total
2016 |  | $ | — |  |  | $ | — |  |  | $ | — |  |  | $ | 12,957 |  |  | $ | 12,957
2017 |  |  | 12,975 |  |  |  | 9,205 |  |  |  | 1,000 |  |  |  | 12,957 |  |  |  | 36,137
2018 |  |  | 51,900 |  |  |  | 36,819 |  |  |  | 13,000 |  |  |  | 12,957 |  |  |  | 114,676
2019 |  |  | 121,100 |  |  |  | 135,617 |  |  |  | — |  |  |  | 12,957 |  |  |  | 269,674
2020 |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 138,172 |  |  |  | 138,172
Total |  | $ | 185,975 |  |  | $ | 181,641 |  |  | $ | 14,000 |  |  | $ | 190,000 |  |  | $ | 571,616

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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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- 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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