XML 13 R1.htm IDEA: XBRL DOCUMENT v3.19.2
Document and Entity Information - shares
6 Months Ended
Jun. 30, 2019
Jul. 31, 2019
Entity Registrant Name Biglari Holdings Inc.  
Entity Central Index Key 0001726173  
Document Type 10-Q  
Document Period End Date Jun. 30, 2019  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Is Entity's Reporting Status Current Yes  
Entity Filer Category Accelerated Filer  
Entity Emerging Growth Company false  
Entity Small Business false  
Entity Shell Company false  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2019  
Class A Common Stock    
Entity Common Stock, Shares Outstanding   206,864
Class B Common Stock    
Entity Common Stock, Shares Outstanding   2,068,640