XML 50 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Document and Entity Information - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Mar. 25, 2020
Jun. 30, 2019
Cover [Abstract]      
Entity Registrant Name AMERICAN REALTY INVESTORS INC    
Entity Central Index Key 0001102238    
Document Type 10-K    
Document Period End Date Dec. 31, 2019    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity File Number 001-15663    
Entity Incorporation, State Code NV    
Entity Well-known Season Issuer No    
Entity Voluntary Filers No    
Entity Reporting Status Current Yes    
Entity Interactive Data Current Yes    
Entity Small Business true    
Entity Filer Category Non-accelerated Filer    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   15,997,076  
Entity Public Float     $ 17,795,030
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2019