|
Long-Term Debt (Details 3) (USD $)
In Millions, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
item
|
Dec. 31, 2013
|
| KEXIM |
|
|
| Long-Term Debt |
|
|
| Collateral coverage covenant (as a percent) |
|
130.00% |
| Bank agreement |
|
|
| Long-Term Debt |
|
|
| Number of vessels collateralizing new credit facilities |
9 |
|
| Period for which a ratio of consolidated indebtedness to consolidated EBITDA is required to be maintained under financial covenants |
|
12 months |
| Period for which a ratio of consolidated EBITDA to net interest expense is required to be maintained under financial covenants |
12 months |
|
| Period for which consolidated net leverage ratio is required to be maintained under financial covenants to pay cash dividends or repurchase shares |
1 year |
|
| Period for which a ratio of aggregate market value of vessels to outstanding indebtedness is required to be maintained under financial covenants to pay cash dividends or repurchase shares |
1 year |
|
| Bank agreement | Minimum |
|
|
| Long-Term Debt |
|
|
| Ratio of market value of vessels, on a charter-inclusive basis, plus net realizable value of additional collateral to consolidated total debt through 2011 (as a percent) |
90.00% |
|
| Ratio of market value of vessels, on a charter-inclusive basis, plus net realizable value of additional collateral to consolidated total debt from September 2017 through September 2018 (as a percent) |
130.00% |
|
| Free consolidated unrestricted cash and cash equivalents after 2012 |
30.0 |
|
| Ratio of market value of vessels collateralizing the credit facilities, plus net realizable value of additional collateral, to aggregate debt outstanding (as a percent) |
100.00% |
|
| Ratio of consolidated EBITDA to net interest expense |
1.50 |
|
| Ratio of consolidated EBITDA to net interest expense after gradual increase |
2.80 |
|
| Consolidated market value of adjusted net worth |
400 |
|
| Required duration of vessel's charter at the time of valuation |
12 months |
|
| Bank agreement | Maximum |
|
|
| Long-Term Debt |
|
|
| Percentage of non-recurring items excluded from calculation of EBITDA, based on EBITDA calculated in the manner as prescribed |
5.00% |
|
| Ratio of consolidated total debt less unrestricted cash and cash equivalents to consolidated EBITDA |
12 |
|
| Ratio of consolidated total debt less unrestricted cash and cash equivalents to consolidated EBITDA gradual decrease |
4.75 |
|
| Consolidated net leverage ratio to pay cash dividends or repurchase shares |
6 |
|
| Ratio of aggregate market value of vessels to outstanding indebtedness required to pay cash dividends or repurchase shares (as a percent) |
125.00% |
|