XML 25 R38.htm IDEA: XBRL DOCUMENT
v2.4.0.8

CONVERTIBLE SENIOR NOTES (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2013
CONVERTIBLE SENIOR NOTES [Abstract] |
Liability and Equity Components of Convertible Notes | The following tables provide additional information about the Company’s 2010 Notes:
|  | September 30, 2013 |  |  | December 31, 2012 |
Carrying amount of the equity component (additional paid-in capital) |  | $ | 24,375 |  |  | $ | 24,375 |
Principal amount of the 2010 Notes |  |  | 125,000 |  |  |  | 125,000 |
Unamortized discount of the liability component |  |  | 10,429 |  |  |  | 14,082 |
Net carrying amount of the liability component |  |  | 114,571 |  |  |  | 110,918 |
Effective Interest Rate, Cash and Non-cash Interest Expense and Deferred Financing Cost Amortization |
For the Three Months Ended September 30, |  |  | For the Nine Months Ended September 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Effective interest rate on liability component |  |  | 10.0 | % |  |  | 10.0 | % |  |  | 10.0 | % |  |  | 10.0 | %
Cash interest expense recognized |  | $ | 1,575 |  |  | $ | 1,580 |  |  | $ | 4,687 |  |  | $ | 4,696 |
Non-cash interest expense recognized |  |  | 1,265 |  |  |  | 1,158 |  |  |  | 3,653 |  |  |  | 3,345 |
Non-cash deferred financing amortization costs included in interest expense |  |  | 181 |  |  |  | 181 |  |  |  | 537 |  |  |  | 540 |

X
- Details
Name: | gnk_ConvertibleSeniorNotesAbstract
Namespace Prefix: | gnk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the details of the effective interest rate, interest expense and discount amortization related to convertible notes of the entity as well as deferred financing cost amortization. + References No definition available. + Details
Name: | gnk_ScheduleOfConvertibleNotesInterestTableTextBlock
Namespace Prefix: | gnk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of information about the debt and equity components of convertible debt instruments. + References No definition available. + Details
Name: | gnk_ScheduleOfDebtAndEquityComponentsOfConvertibleDebtInstrumentsTableTextBlock
Namespace Prefix: | gnk_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration