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v3.26.1

Vessels, net, Advances for Vessels under Construction (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 USD ($)
Vessels, net [Abstract] |
Beginning balance | $ 0
Additions | 8,567
Advances paid | 7,599
Capitalized expenses | 1,082
Capitalized imputed interest | 629
Foreign currency translation differences | 330
Ending balance | $ 18,207

X
- Definition Carrying amount as of the balance sheet date of advances for vessels under construction. + References No definition available. + Details
Name: | tops_AdvancesForVesselsUnderConstruction
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of Additions for vessels under construction. + References No definition available. + Details
Name: | tops_AdvancesForVesselsUnderConstructionAdditions
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of advances paid for vessels under construction. + References No definition available. + Details
Name: | tops_AdvancesForVesselsUnderConstructionAdvancesPaid
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Capitalized expenses for vessels under construction. + References No definition available. + Details
Name: | tops_AdvancesForVesselsUnderConstructionCapitalizedExpenses
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Capitalized imputed interest for vessels under construction. + References No definition available. + Details
Name: | tops_AdvancesForVesselsUnderConstructionCapitalizedImputedInterest
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Foreign currency translation differences for vessels under construction. + References No definition available. + Details
Name: | tops_AdvancesForVesselsUnderConstructionForeignCurrencyTranslationDifferences
Namespace Prefix: | tops_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration