v3.22.2.2

Accumulated other comprehensive income (loss) (Details Narrative) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized income	$ 21,176	$ 10,463

X

- Definition

Amount before tax of increase in accumulated gain from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase in deferred hedging gain.

+ References

No definition available.

+ Details

Name:	tnp_OtherComprehensiveIncomeUnrealizedGainOnDerivativesArisingDuringPeriodBeforeTax1
Namespace Prefix:	tnp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

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