XML 53 R38.htm IDEA: XBRL DOCUMENT
v3.20.4

VOYAGE REVENUE (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2020
VOYAGE REVENUE |
Schedule of voyage revenue | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | For the Years Ended | ​
​ | ​ | ​ | December 31, | ​
​ |  | 2020 | ​ | 2019 | ​ | 2018 | ​
Lease revenue | ​ | $ | 78,402 | ​ | $ | 108,096 | ​ | $ | 168,392 | ​
Spot market voyage revenue | ​ | ​ | 277,158 | ​ | ​ | 281,400 | ​ | ​ | 199,130 | ​
Total voyage revenues | ​ | $ | 355,560 | ​ | $ | 389,496 | ​ | $ | 367,522 | ​

X
- Definition Definition n/a. + References No definition available. + Details
Name: | gnk_VoyageRevenueAbstract
Namespace Prefix: | gnk_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
Name: | us-gaap_DisaggregationOfRevenueTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration