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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2016
Long-Term Debt Covenants [Abstract] |
Bank Loans |
| Bank loans | As of December 31, 2016 | As of December 31, 2015 | Margin
(i) | Issued in March 2007 maturing in December 2019 (the “2007 credit facility”) | 185,975 | 185,975 | 3.00%
(ii) | Issued in March 2008 maturing in December 2019 (the “2008 credit facility”) | 181,641 | 181,641 | 3.00%
(iii) | Issued in June 2011 maturing in March 2018 (the “2011 credit facility”) | 14,000 | 14,000 | 3.25%
(iv) | Issued in September 2013 maturing in December 2020 (the “2013 credit facility”) | 207,646 | 190,000 | 3.50%
(v) | Assumed in October 2016 maturing in November 2022 (the “2015 credit facility”) | 15,750 | - | 2.50%
| Total long-term debt | $605,012 | $571,616 |
| Less: Deferred loan issuance costs | 2,825 | 3,806 |
| Total long-term debt, net | $602,187 | $567,810 |
| Less: Current portion of long-term debt | 40,534 | 12,957 |
| Add: Current portion of deferred loan issuance costs | 966 | 1,035 |
| Long-term debt, net | $562,619 | $555,888 |
Required Annual Loan Payments |
| 2007 Credit Facility (i) | 2008 Credit Facility (ii) | 2011 Credit Facility (iii) | 2013 Credit Facility (iv) | 2015 Credit Facility (v) | Total
2017 | $12,975 | $9,205 | $1,000 | $17,354 | $- | $40,534
2018 | 51,900 | 36,819 | 13,000 | 17,354 | 328 | 119,401
2019 | 121,100 | 135,617 | - | 17,354 | 1,313 | 275,384
2020 | - | - | - | 155,584 | 1,313 | 156,897
2021 | - | - | - | - | 1,313 | 1,313
Thereafter | - | - | - | - | 11,483 | 11,483
Total | $185,975 | $181,641 | $14,000 | $207,646 | $15,750 | $605,012

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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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