Debt, Financings Committed Under Sale and Leaseback Agreements (Details) $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($) Vessel Bank
Debt [Abstract]
Maximum ratio of debt to market value of fleet	75.00%
Minimum liquidity per delivered vessel	$ 500
Number of banks \| Bank	1
Number of vessels \| Vessel	1
Minimum term of time charter assigned as security	12 months
New Huarong Facility [Member]
Debt [Abstract]
Maximum leverage ratio	85.00%
Asset cover ratio	117.60%
New Huarong Facility [Member] \| VLCC [Member]
Debt [Abstract]
Minimum liquid funds	$ 550
New Huarong Facility [Member] \| Suezmax [Member]
Debt [Abstract]
Minimum liquid funds	400
New Huarong Facility [Member] \| MR Product Vessel [Member]
Debt [Abstract]
Minimum liquid funds	$ 350
1st CMBFL Facility [Member]
Debt [Abstract]
Asset cover ratio	125.00%
2nd CMBFL Facility [Member]
Debt [Abstract]
Asset cover ratio	125.00%
Huarong Facility [Member]
Debt [Abstract]
Asset cover ratio	120.00%
1st AVIC Facility [Member]
Debt [Abstract]
Asset cover ratio	120.00%
2nd AVIC Facility [Member]
Debt [Abstract]
Asset cover ratio	120.00%

Number of banks financing vessels referenced in cross-default covenants of sale and leaseback agreements.

No definition available.

Name:	tops_CrossDefaultCovenantsNumberOfBanks
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum number of vessels financed by a bank referenced in cross-default covenants of sale and leaseback agreements.

+ References

No definition available.

+ Details

Name:	tops_CrossDefaultCovenantsNumberOfVessels
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Financial ratio that measures the required cover of outstanding debt to the value of the financed asset up to August 2025.

+ References

No definition available.

+ Details

Name:	tops_DebtInstrumentAssetCoverRatioOne
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The maximum ratio of total net debt to the aggregate market value of the Company's fleet, current or future.

+ References

No definition available.

+ Details

Name:	tops_DebtInstrumentMaximumRatioOfTotalNetDebtToMarketValueOfFleet
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Minimum amount of liquid funds required.

+ References

No definition available.

+ Details

Name:	tops_DebtInstrumentMinimumLiquidFunds
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The minimum amount of liquidity per delivered vessel owned/operated by the Company.

+ References

No definition available.

+ Details

Name:	tops_DebtInstrumentMinimumLiquidityPerDeliveredVessel
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Minimum term of time charter assigned as security under the debt instrument, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	tops_DebtInstrumentMinimumTermOfTimeCharterAssignedAsSecurity
Namespace Prefix:	tops_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

A financial metric used to evaluate a company's debt levels and its ability to meet its financial obligations.

+ References

No definition available.

+ Details

Name:	tops_MaximumLeverageRatio
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- References

No definition available.

+ Details

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

- Details

Name:	us-gaap_DebtInstrumentAxis=tops_NewHuarongSaleAndLeasebacksMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_VeryLargeCrudeCarrierMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_SuezmaxCrudeOilTankerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MRProductTankerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tops_CmbflFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=tops_SecondCmbflFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tops_HuarongFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=tops_FirstAvicFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_DebtInstrumentAxis=tops_SecondAvicFacilityMember
Namespace Prefix:
Data Type:	na
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