Debt, Financings Committed Under Sale and Leaseback Agreements (Details) $ in Thousands	12 Months Ended
Dec. 31, 2022 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

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.

No definition available.

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