XML 13 R1.htm IDEA: XBRL DOCUMENT v3.24.3
Cover Page Cover Page - shares
9 Months Ended
Sep. 30, 2024
Oct. 30, 2024
Entity Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2024  
Document Transition Report false  
Entity File Number 1-12434  
Entity Registrant Name M/I HOMES, INC.  
Entity Incorporation, State or Country Code OH  
Entity Tax Identification Number 31-1210837  
Entity Address, Address Line One 4131 Worth Avenue  
Entity Address, Address Line Two Suite 500  
Entity Address, City or Town Columbus  
Entity Address, State or Province OH  
Entity Address, Postal Zip Code 43219  
City Area Code 614  
Local Phone Number 418-8000  
Title of 12(b) Security Common Shares, par value $.01  
Trading Symbol MHO  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   27,205,054
Entity Central Index Key 0000799292  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus Q3  
Amendment Flag false