Estimated market value of assets expected to be acquired prior to consideration being transferred.

No definition available.

Name:	tops_AssetAcquisitionMarketValueOfAssetsToBeAcquired
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Percentage discount on the purchase price (fair market value) of assets to be acquired upon exercise of asset purchase option.

+ References

No definition available.

+ Details

Name:	tops_AssetAcquisitionPercentageDiscountOnPurchasePriceUponExerciseOfAssetPurchaseOption
Namespace Prefix:	tops_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Consideration to a related party for signing a non-binding letter of intent whereby the seller/related party is precluded from marketing or selling a portfolio of real estate assets.

+ References

No definition available.

+ Details

Name:	tops_NoShopClause2025Consideration
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Consideration paid to a related party for signing a non-binding letter of intent whereby the seller/related party is precluded from marketing or selling a portfolio of real estate assets.

+ References

No definition available.

+ Details

Name:	tops_NoShopClause2025ConsiderationPaid
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Number of independent appraisals that will determine the fair market value of assets to be acquired.

+ References

No definition available.

+ Details

Name:	tops_NumberOfIndependentAppraisalsToDetermineFairMarketValueOfAssets
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of persons serving as independent directors.

+ References

No definition available.

+ Details

Name:	tops_NumberOfIndependentDirectors
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of newbuilding vessels to be purchased.

+ References

No definition available.

+ Details

Name:	tops_NumberOfNewbuildingVesselsToBePurchased
Namespace Prefix:	tops_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of consideration paid in advance to a related party for signing a non-binding letter of intent whereby the seller/related party is precluded from marketing or selling a portfolio of real estate assets.

+ References

No definition available.

+ Details

Name:	tops_PrepaymentsToRelatedPartyNoncurrent
Namespace Prefix:	tops_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Period after payment of No-Shop-LOI consideration for acquisition of asset when the purchase option expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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

- References

No definition available.

+ Details

Name:	tops_RelatedPartyExpensesAbstract
Namespace Prefix:	tops_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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

- Details

Name:	srt_CounterpartyNameAxis=tops_CentralMareIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_AssetAcquisitionAxis=tops_CertainResidentialRealEstateAssetsInDubaiMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_ChiefExecutiveOfficerMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Transactions with Related Parties, Asset Acquisitions from Related Party (Details) $ in Thousands		1 Months Ended	6 Months Ended
	Nov. 21, 2025 USD ($) Appraisal Director	Jan. 31, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jul. 28, 2026 Vessel	Feb. 18, 2026 Vessel	Dec. 31, 2025 USD ($)
Transactions with Related Parties [Abstract]
Advances for asset acquisitions to related party			$ 23,500			$ 11,500
Number of independent directors \| Director	3
Related Party [Member] \| Central Mare [Member]
Transactions with Related Parties [Abstract]
Number of newbuilding vessels to be purchased \| Vessel					9
Related Party [Member] \| Central Mare [Member] \| Subsequent Event [Member]
Transactions with Related Parties [Abstract]
Number of newbuilding vessels to be purchased \| Vessel				3
Certain Residential Real Estate Assets in Dubai [Member]
Transactions with Related Parties [Abstract]
Number of independent appraisals \| Appraisal	2
Certain Residential Real Estate Assets in Dubai [Member] \| Evangelos J. Pistiolis [Member]
Transactions with Related Parties [Abstract]
Percentage discount on purchase price upon exercise of asset purchase option	10.00%
Consideration for 2025 No-Shop LOI	$ 23,500
Consideration paid for 2025 No-Shop LOI	11,500	$ 12,000
Purchase option expiration period			90 days
Advances for asset acquisitions to related party			$ 23,500			$ 11,500
Certain Residential Real Estate Assets in Dubai [Member] \| Evangelos J. Pistiolis [Member] \| Minimum [Member]
Transactions with Related Parties [Abstract]
Market value of assets to be acquired	$ 200,000