The number of periodic payment installments in which the debt is to be repaid.

No definition available.

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Namespace Prefix:	tops_
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Period Type:	duration

- Definition

Term of the interest rate that fluctuates over time as a result of an underlying benchmark interest rate or index, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The value of the interest rate for the reference rate used for the variable rate of the debt agreement as of the end of the reporting period.

+ References

No definition available.

+ Details

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

- Definition

Number of vessels sold as part of sale and leaseback transaction.

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the frequency of periodic payments (monthly, quarterly, annual).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480848/942-470-50-3

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of payment greater than the preceding installment payments to be paid at final maturity date of debt.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- References

No definition available.

+ Details

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

- Definition

Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Lease term for sale and leaseback transaction, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 842
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479741/842-40-50-2

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DebtInstrumentAxis=tops_CmbflFacilityMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MTJuliusCaesarMember
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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=tops_MTLegioXEquestrisMember
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Data Type:	na
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Period Type:

- Details

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Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_VariableRateAxis=tops_TermSecuredOvernightFinancingRateSOFRRateMember
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Debt, CMBFL Facility (Details) $ in Thousands		12 Months Ended
Debt, CMBFL Facility (Details) $ in Thousands	Nov. 23, 2021 USD ($)	Dec. 31, 2023 USD ($) Vessel Installment	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Debt [Abstract]
Proceeds from sale of vessel		$ 0	$ 71,714	$ 35,886
CMBFL Facility [Member]
Debt [Abstract]
Term of time charter		8 years
Number of payment installments \| Installment		32
Frequency of periodic payment		quarterly
Installment payment		$ 675
Balloon payment payable at maturity		$ 32,403
Number of vessels sold \| Vessel		2
CMBFL Facility [Member] \| M/T Julius Caesar [Member]
Debt [Abstract]
Proceeds from sale of vessel	$ 54,005
CMBFL Facility [Member] \| M/T Legio X Equestris [Member]
Debt [Abstract]
Proceeds from sale of vessel	$ 53,997
CMBFL Facility [Member] \| LIBOR and Term SOFR [Member]
Debt [Abstract]
Term of variable rate		3 months
Basis spread on variable rate		2.60%
CMBFL Facility [Member] \| Term SOFR [Member]
Debt [Abstract]
Variable rate		5.40%