XML 69 R51.htm IDEA: XBRL DOCUMENT
v3.21.2

DEBT - $133 Million Credit Facility (Details) - Secured Debt |  |  |  |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 31, 2021 USD ($) | Jun. 15, 2020 USD ($) | Jun. 11, 2020 USD ($) | Aug. 14, 2018 USD ($) item | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($)
$133 Million Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 133,000,000 |  | $ 133,000,000 |
Drawdowns during the period |  |  |  |  |  |  |  | $ 24,000,000
Remaining borrowing capacity |  |  |  |  | 17,320,000 |  | 17,320,000 |
Repayment of secured debt |  |  |  |  | $ 1,580,000 | $ 1,700,000 | $ 24,320,000 | $ 3,280,000
$108 Million Credit Facility |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  | $ 108,000,000 |  |  |  |
Term of facilities |  |  |  | 5 years |  |  |  |
$108 Million Credit Facility | Agreement To Purchase Ultramax And Capesize Vessels |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Number of vessels committed to be acquired under purchase agreement | item |  |  |  | 6 |  |  |  |
Revolver |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 25,000,000 |  |  |  |  |
Drawdowns during the period |  | $ 24,000,000 |  |  |  |  |  |
Minimum amounts of borrowings |  |  | 1,000 |  |  |  |  |
Consecutive quarterly commitment reductions |  |  | $ 1,900,000 |  |  |  |  |
Threshold percentage of ratio of outstanding loan to aggregate appraised value of collateral vessels. |  |  | 60.00% |  |  |  |  |
Repayment of secured debt | $ 21,160,000 |  |  |  |  |  |  |
Revolver | LIBOR |  |  |  |  |  |  |  |
Line of Credit Facility |  |  |  |  |  |  |  |
Applicable margin over reference rate for interest payable |  |  | 3.00% |  |  |  |  |

X
- Definition The amount of consecutive quarterly commitment reduction at the end of the reporting period. + References No definition available. + Details
Name: | gnk_LineOfCreditFacilityConsecutiveQuarterlyCommitmentReductions
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Threshold borrowing limit under the line of credit facility at the end of the of the reporting period. + References No definition available. + Details
Name: | gnk_LineOfCreditFacilityThresholdBorrowingLimit
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the number of vessels committed to be acquired by the entity under purchase agreement. + References No definition available. + Details
Name: | gnk_NumberOfVesselsCommittedToBeAcquiredUnderPurchaseAgreement
Namespace Prefix: | gnk_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Threshold percentage of ratio of outstanding loan to the aggregate appraised value of collateral vessels. + References No definition available. + Details
Name: | gnk_ThresholdPercentageOfRatioOfOutstandingLoanToAggregateAppraisedValueOfCollateralVessels
Namespace Prefix: | gnk_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
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_LineOfCreditFacilityLineItems
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://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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=120391452&loc=d3e13212-122682 + Details
Name: | us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromIssuanceOfSecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfSecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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_OneHundredAndThirtyThreeMillionDollarsCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=gnk_AgreementToPurchaseUltrabulkAndCapesizeVesselsJune2018Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |