v3.8.0.1
Document and Entity Information
12 Months Ended
Dec. 31, 2017
shares
Document and Entity Information [Abstract]  
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2017
Entity Registrant Name TOWER SEMICONDUCTOR LTD
Entity Central Index Key 0000928876
Document Fiscal Year Focus 2017
Document Fiscal Period Focus FY
Current Fiscal Year End Date --12-31
Entity Filer Category Accelerated Filer
Entity Well-known Seasoned Issuer No
Entity Current Reporting Status Yes
Entity Common Stock, Shares Outstanding 98,457,717