XML 19 R1.htm IDEA: XBRL DOCUMENT v3.19.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2018
shares
Document and Entity Information [Abstract]  
Entity Registrant Name NORDIC AMERICAN TANKERS Ltd
Entity Central Index Key 0001000177
Current Fiscal Year End Date --12-31
Entity Well-known Seasoned Issuer No
Entity Current Reporting Status Yes
Entity Shell Company false
Entity Filer Category Accelerated Filer
Entity Emerging Growth Company false
Entity Ex Transition Period false
Entity Common Stock, Shares Outstanding 141,969,666
Document Type 20-F
Amendment Flag false
Document Period End Date Dec. 31, 2018
Document Fiscal Year Focus 2018
Document Fiscal Period Focus FY