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Debt, Financings Committed Under Sale and Leaseback Agreements (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Debt [Abstract]
Maximum ratio of debt to market value of fleet	75.00%
Minimum free liquidity per delivered vessel	$ 500
Minimum term of time charter assigned as security	12 months

X

- 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

X

- Definition

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

+ References

No definition available.

+ Details

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

X

- 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

X

- References

No definition available.

+ Details

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