XML 114 R101.htm IDEA: XBRL DOCUMENT
v3.3.1.900

LEGAL PROCEEDINGS (Details 2) - complaint | May. 26, 2015 | Apr. 27, 2015
--- | --- | ---
LEGAL PROCEEDINGS |  |
Number of claims filed |  | 6
Number of complaints consolidated | 6 |

X
- Definition Represents the number of previous filed complaints consolidated and filed. + References No definition available. + Details
Name: | gnk_NumberOfComplaintsConsolidated
Namespace Prefix: | gnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_LossContingencyAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The total number of new claims filed pertaining to a loss contingency during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 + Details
Name: | us-gaap_LossContingencyNewClaimsFiledNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration