XML 57 R42.htm IDEA: XBRL DOCUMENT
v3.4.0.3

GENERAL INFORMATION (Details) $ in Thousands |  | 3 Months Ended | 5 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 07, 2015 USD ($) item shares | Mar. 31, 2016 USD ($) item | Dec. 31, 2015 USD ($) | Jul. 17, 2015 | Jul. 14, 2015 USD ($) | Dec. 31, 2014 USD ($) | Aug. 20, 2010 USD ($) | Aug. 12, 2010 USD ($)
Line of Credit Facility |  |  |  |  |  |  |  |
Number of credit facilities | item |  | 8 |  |  |  |  |  |
Baltic Trading Merger |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |
Shares issued as purchase consideration | shares | 0.216 |  |  |  |  |  |  |
Ownership interest upon merger completion (as a percent) |  |  |  | 84.50% |  |  |  |
Percentage ownership by others in merged company |  |  |  | 15.50% |  |  |  |
Gain (loss) recognized |  |  | $ 0 |  |  |  |  |
Baltic Trading | Single Purpose Entities | Baltic Tiger and Baltic Lion |  |  |  |  |  |  |  |
Business Acquisition |  |  |  |  |  |  |  |
Number of single purpose entities | item | 2 |  |  |  |  |  |  |
Number of vessels owned by each entity | item | 1 |  |  |  |  |  |  |
Purchase price | $ 68,500 |  |  |  |  |  |  |
First-mortgage debt assumed | 40,563 |  |  |  |  |  |  |
Equity effect of purchase of entities under common control | $ 590 |  |  |  |  |  |  |
Line of Credit Facility | $148 Million Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 148,000 | 148,000 |  | $ 148,000 | $ 148,000 |  |
Secured Debt | $100 Million Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | 100,000 | 100,000 |  |  |  |  | $ 100,000
Secured Debt | $253 Million Term Loan Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 253,000 | $ 253,000 |  |  |  | $ 253,000 |

X
- Definition Represents the adjustment to paid in capital and equity as a result of purchase of entities under common control. + References No definition available. + Details
Name: | gnk_AdjustmentToPaidInCapitalEffectOfPurchaseOfCommonControlEntities
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Common stock Shares issued per share of merged entity as merger transaction. + References No definition available. + Details
Name: | gnk_CommonStockSharesIssuedAsMergerConsideration
Namespace Prefix: | gnk_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of capesize drybulk vessels owned by each single purpose entity. + References No definition available. + Details
Name: | gnk_NumberOfCapesizeDrybulkVesselsOwnedByEachEntity
Namespace Prefix: | gnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of credit facilities required to be in compliance with covenants on a quarterly basis. + References No definition available. + Details
Name: | gnk_NumberOfCreditFacilities
Namespace Prefix: | gnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the number of single purpose entities acquired. + References No definition available. + Details
Name: | gnk_NumberOfSinglePurposeEntities
Namespace Prefix: | gnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the percentage of ownership by the entity's shareholders in the merged company. + References No definition available. + Details
Name: | gnk_PercentageOfOwnershipInMergedCompany
Namespace Prefix: | gnk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Represents the ownership percentage of the other shareholder's (other than the Company and its subsidiaries). + References No definition available. + Details
Name: | gnk_PercentageOfOwnershipOfOtherShareholdersInMergedCompany
Namespace Prefix: | gnk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6578-128477 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6911251&loc=d3e6613-128477 + Details
Name: | us-gaap_BusinessCombinationConsiderationTransferred1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56956791&loc=d3e4845-128472 + Details
Name: | us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(3) -URI http://asc.fasb.org/extlink&oid=56956515&loc=d3e1392-128463 + Details
Name: | us-gaap_BusinessCombinationSeparatelyRecognizedTransactionsNetGainsAndLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=gnk_BalticTradingMergerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=gnk_SinglePurposeEntitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | gnk_VesselsByNameAxis=gnk_BalticTigerAndBalticLionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gnk_BalticTradingCreditFacility2014Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gnk_SecuredTermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=gnk_SeniorSecuredTermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |