XML 63 R46.htm IDEA: XBRL DOCUMENT v3.8.0.1

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Sale of Vessels (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Gain on sale of vessels
Gain on sale of vessels	$ 0	$ 6,369
Genco Wisdom, Genco Reliance, Genco Carrier, and Genco Success
Gain on sale of vessels
Gain on sale of vessels		$ 6,369

X

- Definition

Amount of gain (loss) on sale or disposal of property, plant and equipment assets, excluding oil and gas property and timber property.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=d3e1361-107760

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=84176398&loc=d3e2941-110230

+ Details

Name:	us-gaap_GainLossOnDispositionOfAssets
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_GainLossOnDispositionOfAssetsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_LongLivedAssetsHeldForSaleByAssetTypeAxis=gnk_GencoWisdomGencoRelianceGencoCarrierAndGencoSuccessMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: