XML 115 R89.htm IDEA: XBRL DOCUMENT
v3.7.0.1

INTEREST RATE SWAP AGREEMENTS (Details) $ in Thousands | Apr. 30, 2014 USD ($)
--- | ---
Chapter 11 | DNB Bank ASA | Predecessor |
Interest rate swaps designated as cash flow hedges |
Secured claim issued with the Bankruptcy Court | $ 5,622

X
- Definition Amount of bankruptcy claim filed with bankruptcy court. + References No definition available. + Details
Name: | us-gaap_BankruptcyClaimsAmountOfClaimsFiled
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativeLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | gnk_ReorganizationAxis=gnk_Chapter11OfUSBankruptcyCodeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=gnk_DNBBankASAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |