Quarterly report pursuant to sections 13 or 15(d)

Document and Entity Information

Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2013
May 06, 2013
Jun. 30, 2012
Document and Entity Information [Abstract]      
Entity Central Index Key 0000007039    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 18
Entity Common Stock, Shares Outstanding   24,105,313  
Document Fiscal Year Focus 2013    
Document Fiscal Period Focus Q1    
Document Type 10-Q/A    
Amendment Flag true    
Amendment Description Arabian American Development Company (the “Company”) is filing this Amendment No. 1 on Form 10-Q/A (“Amendment No. 1”) in order to record its share of earnings of Al Masane Al Kobra Mining Co. (“AMAK”), a Saudi Arabian closed joint stock company in which the Company has an investment accounted for by the equity method.    
Document Period End Date Mar. 31, 2013