XML 70 R7.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Cash flows from operating activities: |  |
Net loss | $ (79,115)us-gaap_ProfitLoss |
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization | 19,410 us-gaap_DepreciationDepletionAndAmortization |
Amortization of deferred financing costs | 487 us-gaap_AmortizationOfFinancingCosts |
Amortization of nonvested stock compensation expense | 12,360 us-gaap_ShareBasedCompensation |
Impairment of vessel assets | 35,396 us-gaap_AssetImpairmentCharges |
Change in assets and liabilities: |  |
Decrease in due from charterers | 2,373 us-gaap_IncreaseDecreaseInAccountsReceivable |
Increase in prepaid expenses and other current assets | (3,504)gnk_IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets |
Increase in accounts payable and accrued expenses | 3,163 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities |
Increase (decrease) in deferred revenue | 440 us-gaap_IncreaseDecreaseInDeferredRevenue |
Increase in lease obligations | 203 us-gaap_IncreaseDecreaseInOtherDeferredLiability |
Deferred drydock costs incurred | (3,533)gnk_DeferredDrydockCostsIncurred |
Net cash used in operating activities | (12,320)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
Cash flows from investing activities: |  |
Purchase of vessels, including deposits | (24,104)gnk_PaymentsToAcquireVesselsAndOtherDeposits |
Purchase of other fixed assets | (56)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment |
Changes in deposits of restricted cash | 19,645 us-gaap_IncreaseDecreaseInRestrictedCash |
Net cash used in investing activities | (4,515)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations |
Cash flows from financing activities: |  |
Cash settlement of non-accredited Note holders | (49)gnk_PaymentsForCashSettlementOfNonAccreditedNoteHolders |
Payment of deferred financing costs | (2,220)us-gaap_PaymentsOfFinancingCosts |
Net cash provided by (used in) financing activities | 2,204 us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations |
Net decrease in cash and cash equivalents | (14,631)us-gaap_NetCashProvidedByUsedInContinuingOperations |
Cash and cash equivalents at beginning of period | 83,414 us-gaap_CashAndCashEquivalentsAtCarryingValue |
Cash and cash equivalents at end of period | 68,783 us-gaap_CashAndCashEquivalentsAtCarryingValue |
Predecessor |  |
Cash flows from operating activities: |  |
Net loss |  | (42,238)us-gaap_ProfitLoss / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Adjustments to reconcile net loss to net cash used in operating activities: |  |
Depreciation and amortization |  | 36,201 us-gaap_DepreciationDepletionAndAmortization / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Amortization of deferred financing costs |  | 2,220 us-gaap_AmortizationOfFinancingCosts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Amortization of time charters acquired |  | (49)us-gaap_RecognitionOfDeferredRevenue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Amortization of discount on Convertible Senior Notes |  | 1,299 us-gaap_AmortizationOfDebtDiscountPremium / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Amortization of nonvested stock compensation expense |  | 1,390 us-gaap_ShareBasedCompensation / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Change in assets and liabilities: |  |
Decrease in due from charterers |  | 2,803 us-gaap_IncreaseDecreaseInAccountsReceivable / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Increase in prepaid expenses and other current assets |  | (7,210)gnk_IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Increase in accounts payable and accrued expenses |  | 8,558 us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Increase (decrease) in deferred revenue |  | (9)us-gaap_IncreaseDecreaseInDeferredRevenue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Increase in lease obligations |  | 100 us-gaap_IncreaseDecreaseInOtherDeferredLiability / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Deferred drydock costs incurred |  | (5,669)gnk_DeferredDrydockCostsIncurred / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net cash used in operating activities |  | (2,604)us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Cash flows from investing activities: |  |
Purchase of vessels, including deposits |  | (17,618)gnk_PaymentsToAcquireVesselsAndOtherDeposits / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Purchase of other fixed assets |  | (179)us-gaap_PaymentsToAcquirePropertyPlantAndEquipment / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Changes in deposits of restricted cash |  | (125)us-gaap_IncreaseDecreaseInRestrictedCash / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net cash used in investing activities |  | (17,922)us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Cash flows from financing activities: |  |
Payment of dividend by subsidiary |  | (1,534)gnk_PaymentsOfDividendsBySubsidiary / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Payment of common stock issuance costs by subsidiary |  | (106)gnk_PaymentsOfStockIssuanceCostsOfMinorityShareholders / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Payment of deferred financing costs |  | (88)us-gaap_PaymentsOfFinancingCosts / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net cash provided by (used in) financing activities |  | (9,788)us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Net decrease in cash and cash equivalents |  | (30,314)us-gaap_NetCashProvidedByUsedInContinuingOperations / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Cash and cash equivalents at beginning of period |  | 122,722 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Cash and cash equivalents at end of period |  | 92,408 us-gaap_CashAndCashEquivalentsAtCarryingValue / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
$100 Million Term Loan Facility |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility | (1,923)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_SecuredTermLoanFacilityMember |
$100 Million Term Loan Facility | Predecessor |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility |  | (1,923)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_SecuredTermLoanFacilityMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
$253 Million Term Loan Facility |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility | (5,292)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_SeniorSecuredTermLoanFacilityMember |
$253 Million Term Loan Facility | Predecessor |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility |  | (5,075)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_SeniorSecuredTermLoanFacilityMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Baltic Trading $148 Million Credit Facility |  |
Cash flows from financing activities: |  |
Proceeds from credit facility | 115,000 us-gaap_ProceedsFromLinesOfCredit / us-gaap_CreditFacilityAxis = gnk_TermLoanFacilityFourMember |
2010 Baltic Trading Credit Facility |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility | (102,250)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_BalticTradingCreditFacility2010Member |
Baltic Trading $22 Million Term Loan Facility |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility | (375)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_BalticTradingTermLoanFacilityOneMember |
Baltic Trading $22 Million Term Loan Facility | Predecessor |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility |  | (375)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_BalticTradingTermLoanFacilityOneMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember
Baltic Trading $44 Million Term Loan Facility |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility | (687)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_BalticTradingTermLoanFacilityTwoMember |
Baltic Trading $44 Million Term Loan Facility | Predecessor |  |
Cash flows from financing activities: |  |
Repayments on Term Loan Facility |  | $ (687)us-gaap_RepaymentsOfSecuredDebt / us-gaap_CreditFacilityAxis = gnk_BalticTradingTermLoanFacilityTwoMember / us-gaap_StatementScenarioAxis = us-gaap_PredecessorMember

X
- Definition Amounts paid for drydock costs performed pursuant to regulatory requirements. + References No definition available. + Details
Name: | gnk_DeferredDrydockCostsIncurred
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The net change during the reporting period in the amount of outstanding money paid in advance for goods or services that bring economic benefits for future periods and other operating assets not otherwise defined in the taxonomy. + References No definition available. + Details
Name: | gnk_IncreaseDecreaseInPrepaidExpenseAndOtherCurrentAssets
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the payments for cash settlement of non-accredited Note holders. + References No definition available. + Details
Name: | gnk_PaymentsForCashSettlementOfNonAccreditedNoteHolders
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents a subsidiary's cash outflow from distribution of earnings to the stockholders. + References No definition available. + Details
Name: | gnk_PaymentsOfDividendsBySubsidiary
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the cash outflow for cost incurred directly with the issuance of an equity security by subsidiary. + References No definition available. + Details
Name: | gnk_PaymentsOfStockIssuanceCostsOfMinorityShareholders
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with acquisition of vessels, including deposits. + References No definition available. + Details
Name: | gnk_PaymentsToAcquireVesselsAndOtherDeposits
Namespace Prefix: | gnk_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
Name: | us-gaap_AmortizationOfDebtDiscountPremium
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of noncash expense included in interest expense to issue debt and obtain financing associated with the related debt instruments. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 8 -Article 9 + Details
Name: | us-gaap_AmortizationOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
Name: | us-gaap_AssetImpairmentCharges
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 1 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInAccountsReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period, excluding the portion taken into income, in the liability reflecting revenue yet to be earned for which cash or other forms of consideration was received or recorded as a receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInDeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_IncreaseDecreaseInOperatingCapitalAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) during the reporting period in other obligations not otherwise defined in the taxonomy where the payments will be made in future periods. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_IncreaseDecreaseInOtherDeferredLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The net cash inflow or outflow for the increase (decrease) associated with funds that are not available for withdrawal or use (such as funds held in escrow) and are associated with underlying transactions that are classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_IncreaseDecreaseInRestrictedCash
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in cash associated with the entity's continuing operating, investing, and financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. + References No definition available. + Details
Name: | us-gaap_NetCashProvidedByUsedInContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) of financing activities, excluding discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) of investing activities, excluding discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3574-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash inflow (outflow) from operating activities, excluding discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3521-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow for loan and debt issuance costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 + Details
Name: | us-gaap_PaymentsOfFinancingCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquirePropertyPlantAndEquipment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585 + Details
Name: | us-gaap_ProceedsFromLinesOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4569616-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
Name: | us-gaap_ProfitLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. For cash flows, this element primarily pertains to amortization of deferred credits on long-term arrangements. As a noncash item, it is deducted from net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 13.A.4(a).Q1) -URI http://asc.fasb.org/extlink&oid=27012821&loc=d3e214044-122780 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 13 -Section A -Subsection 1 + Details
Name: | us-gaap_RecognitionOfDeferredRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
Name: | us-gaap_RepaymentsOfSecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=gnk_BalticTradingCreditFacility2010Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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

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

X
- Details
Name: | us-gaap_StatementScenarioAxis=us-gaap_PredecessorMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |