XML 119 R96.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Subsequent Events (Details) - USD ($) |  | 3 Months Ended | 5 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jan. 16, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Feb. 15, 2024 | Jan. 19, 2024
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Repayment of loan |  |  |  |  | $ 53,864,500 | $ 24,493,000 | $ 5,178,500 |  |
Net gain on sale of vessels |  |  |  |  | 6,383,858 | 0 | 0 |  |
Series D Preferred Shares [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Dividend paid |  |  |  |  | 196,296 | $ 0 | $ 0 |  |
Related Party [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Dividend paid |  |  |  | $ 196,296 |  |  |  |  |
$11.0 Million Term Loan Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Face amount |  |  |  | $ 11,000,000 | $ 11,000,000 |  |  |  |
Plan [Member] | Entity Beneficially Owned by Family Member of Petros Panagiotidis [Member] | M/V Magic Horizon [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Net gain on sale of vessels |  |  | $ 4,600,000 |  |  |  |  |  |
Plan [Member] | Entity Beneficially Owned by Family Member of Petros Panagiotidis [Member] | M/V Magic Nova [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Net gain on sale of vessels |  |  | $ 4,400,000 |  |  |  |  |  |
Plan [Member] | Entity Beneficially Owned by Family Member of Petros Panagiotidis [Member] | M/V Magic Nebula [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Net gain on sale of vessels |  | $ 2,500,000 |  |  |  |  |  |  |
Subsequent Event [Member] | Series D Preferred Shares [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Dividend paid, date | Jan. 16, 2024 |  |  |  |  |  |  |  |
Dividend declared, date | Dec. 27, 2023 |  |  |  |  |  |  |  |
Subsequent Event [Member] | Entity Beneficially Owned by Family Member of Petros Panagiotidis [Member] | M/V Magic Horizon [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  | $ 15,800,000
Subsequent Event [Member] | Entity Beneficially Owned by Family Member of Petros Panagiotidis [Member] | M/V Magic Nova [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  |  | $ 16,100,000
Subsequent Event [Member] | Entity Beneficially Owned by Family Member of Petros Panagiotidis [Member] | M/V Magic Nebula [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Sale price |  |  |  |  |  |  |  | $ 16,200,000 |
Subsequent Event [Member] | Related Party [Member] | Toro [Member] | Series D Preferred Shares [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Dividend paid | $ 625,000 |  |  |  |  |  |  |  |
Subsequent Event [Member] | $11.0 Million Term Loan Facility [Member] |  |  |  |  |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |  |  |  |  |
Repayment of loan | $ 2,400,000 |  |  |  |  |  |  |  |

X
- Definition Gross sales price of long-lived, physical assets used in the normal conduct of business. + References No definition available. + Details
Name: | ctrm_PropertyPlantAndEquipmentSalesPrice
Namespace Prefix: | ctrm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 4: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-2 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482949/835-30-55-8 + Details
Name: | us-gaap_DebtInstrumentFaceAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Date the declared dividend will be paid, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-3 + Details
Name: | us-gaap_DividendPayableDateToBePaidDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date the dividend to be paid was declared, in YYYY-MM-DD format. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482913/230-10-50-3 + Details
Name: | us-gaap_DividendsPayableDateDeclaredDayMonthAndYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

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/2009/role/commonPracticeRef -Topic 230 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482130/360-10-45-5 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 360 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482099/360-10-50-3 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. + References No definition available. + Details
Name: | us-gaap_PreferredStockDividendsIncomeStatementImpact
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 -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-15 + Details
Name: | us-gaap_RepaymentsOfSecuredDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_RelatedPartyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ctrm_SeniorSecuredTeamLoanFacilityAlphaBankSA2019Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementScenarioAxis=us-gaap_ScenarioPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=ctrm_EntityBeneficiallyOwnedByFamilyMemberOfPetrosPanagiotidisMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=ctrm_MagicHorizonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=ctrm_MagicNovaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=ctrm_MagicNebulaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_CounterpartyNameAxis=ctrm_ToroCorpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |