v3.26.3
Cover
6 Months Ended
Jun. 30, 2026
Cover [Abstract]  
Document Type 6-K
Amendment Flag false
Document Period End Date Jun. 30, 2026
Current Fiscal Year End Date --12-31
Entity File Number 001-31236
Entity Registrant Name TSAKOS ENERGY NAVIGATION LIMITED
Entity Central Index Key 0001166663